Stern's Introductory Plant Biology 14th Edition James Bidlack - Test Bank

Stern's Introductory Plant Biology, 14e (Bidlack) Chapter 1 What Is Plant Biology? 1) The early scientist who first demonstrated experimentally that plants do not have the same modes of nutrition as animals was A) Nehemiah Grew. B) Carl Willdenow. C) Alexander von Humboldt. D) Sir J. D. Hooker. E) J. B. van Helmont. Answer: E Topic: Diversification of Plant Study Bloom's: 1. Remember Learning Outcome: 01.04 List the aspects of botany with which each of the major botanical disciplines is concerned. Accessibility: Keyboard Navigation Gradable: automatic 2) Plant ________ study plant relationships, identify and classify plants into groups based on genetic similarity, and name plants according to these groups. A) taxonomists B) physiologists C) anatomists D) morphologists E) geographers Answer: A Topic: Diversification of Plant Study Bloom's: 1. Remember Learning Outcome: 01.04 List the aspects of botany with which each of the major botanical disciplines is concerned. Accessibility: Keyboard Navigation Gradable: automatic 1 Copyright © 2018 McGraw-Hill 3) The science that deals with the form, structure, and life cycles of plants is A) plant taxonomy. B) plant physiology. C) plant genetics. D) cytology. E) plant morphology. Answer: E Topic: Diversification of Plant Study Bloom's: 1. Remember Learning Outcome: 01.04 List the aspects of botany with which each of the major botanical disciplines is concerned. Accessibility: Keyboard Navigation Gradable: automatic 4) The scientific method begins with A) reading scientific journals. B) substantiated observations that aren't explained by existing principles or theories. C) a tentative, unproven explanation of an observation. D) restating a general theory in understandable terms. E) testing hypotheses generated to explain observations. Answer: B Topic: The Relationship of Humans to Their Environment Bloom's: 2. Understand Learning Outcome: 01.02 Describe how hypotheses are formulated and used in the scientific method. Accessibility: Keyboard Navigation Gradable: automatic 5) The study of plants and their impact on humans is important because plants A) provide food, shelter, and clothing. B) provide the ecological support system linking all living organisms in their environment. C) contribute to the natural beauty of the world and play a role in many recreational pursuits. D) have, at least in the past, been an important source of medicine. E) All of the choices are correct. Answer: E Topic: The Relationship of Humans to Their Environment Bloom's: 2. Understand Learning Outcome: 01.02 Describe how hypotheses are formulated and used in the scientific method.; 01.03 Explain how and why all life is dependent on green organisms. Accessibility: Keyboard Navigation Gradable: automatic 2 Copyright © 2018 McGraw-Hill 6) An experiment to test an hypothesis A) should have one specific aspect or variable that is altered. B) have a control in which a specific aspect or variable is not changed. C) must be repeatable by others so that the results may be confirmed or refuted. D) All of the above are needed for a good experiment. Answer: D Topic: Botany as a Science Bloom's: 2. Understand Learning Outcome: 01.02 Describe how hypotheses are formulated and used in the scientific method. Accessibility: Keyboard Navigation Gradable: automatic 7) Which sequence generally describes the steps of the scientific method? A) hypothesis, observation, testing, retesting B) testing, observation, hypothesis, retesting C) observation, hypothesis, testing, retesting D) observation, testing, hypothesis, retesting E) observation, writing, hypothesis, publishing Answer: C Topic: Botany as a Science Bloom's: 2. Understand Learning Outcome: 01.02 Describe how hypotheses are formulated and used in the scientific method. Accessibility: Keyboard Navigation Gradable: automatic 8) The objective of scientific research is described as A) collecting data. B) developing and testing hypotheses. C) using human history to explain technological advances. D) using scientific instrumentation such as microscopes. E) applying results to improve human lives. Answer: B Topic: Botany as a Science Bloom's: 2. Understand Learning Outcome: 01.02 Describe how hypotheses are formulated and used in the scientific method. Accessibility: Keyboard Navigation Gradable: automatic 3 Copyright © 2018 McGraw-Hill 9) Which of the following scientists would more likely be concerned with the rate of photosynthesis in leaves? A) plant anatomist B) plant physiologist C) forester D) plant geneticist E) plant geographer Answer: B Topic: Diversification of Plant Study Bloom's: 2. Understand Learning Outcome: 01.04 List the aspects of botany with which each of the major botanical disciplines is concerned. Accessibility: Keyboard Navigation Gradable: automatic 10) The Swedish botanist who produced the elements of our present system of naming and classifying plants in the eighteenth century was A) Matt Johnson. B) Carolus Linnaeus. C) Gustav Bjorklund. D) J. B. van Helmont. E) Olaf Anderson. Answer: B Topic: Diversification of Plant Study Bloom's: 1. Remember Learning Outcome: 01.04 List the aspects of botany with which each of the major botanical disciplines is concerned. Accessibility: Keyboard Navigation Gradable: automatic 11) A theory is A) an educated guess. B) an accumulation of data. C) a modified hypothesis. D) a repeatable observation. E) a group of generalizations or principles that help us understand events in the natural world. Answer: E Topic: Botany as a Science Bloom's: 1. Remember Learning Outcome: 01.02 Describe how hypotheses are formulated and used in the scientific method. Accessibility: Keyboard Navigation Gradable: automatic 4 Copyright © 2018 McGraw-Hill 12) An early English botanist who described the structure of wood more precisely than any of his predecessors was A) Nehemiah Grew. B) Sir Joseph D. Hooker. C) Charles Claude Smythe. D) James Worthington. E) Anton L. Bortenschlager. Answer: A Topic: Diversification of Plant Study Bloom's: 1. Remember Learning Outcome: 01.04 List the aspects of botany with which each of the major botanical disciplines is concerned. Accessibility: Keyboard Navigation Gradable: automatic 13) According to the scientific method, an hypothesis is A) a well-supported idea expanded from facts via reasoning but is not currently known to be entirely or universally True. B) an idea or explanation that is a basis for experimental investigation. C) information that is known and specific. D) the last step in the scientific method that deals with collection of data. E) an experimentally demonstrated fact. Answer: B Topic: Botany as a Science Bloom's: 2. Understand Learning Outcome: 01.02 Describe how hypotheses are formulated and used in the scientific method. Accessibility: Keyboard Navigation Gradable: automatic 14) People who study the interaction of people and plants in their environment are ________. A) ethnobotantists B) plant physiologists C) plant scientists D) plant taxonomists E) horticulturalists Answer: A Topic: Diversification of Plant Study Bloom's: 1. Remember Learning Outcome: 01.04 List the aspects of botany with which each of the major botanical disciplines is concerned. Accessibility: Keyboard Navigation Gradable: automatic 5 Copyright © 2018 McGraw-Hill 15) ________ is the scientific investigation of the biology of plants. A) plant morphology B) ecology C) botany D) cytology E) ethnobotany Answer: C Topic: Diversification of Plant Study Bloom's: 1. Remember Learning Outcome: 01.04 List the aspects of botany with which each of the major botanical disciplines is concerned. Accessibility: Keyboard Navigation Gradable: automatic 16) Environmental scientists are developing technologies to convert ________ into ________ as a source of renewable, plant-based fuel. A) oil shale; diesel B) cellulose and starch; ethanol C) petroleum products; gasoline D) wind; electrical energy E) hydropower; electrical energy Answer: B Topic: The Relationship of Humans to Their Environment Bloom's: 1. Remember Learning Outcome: 01.04 List the aspects of botany with which each of the major botanical disciplines is concerned. Accessibility: Keyboard Navigation Gradable: automatic 17) When human populations increase, they increase their impact on plants and other living organisms by ________. A) using plants as fuel B) building homes C) harvesting plants for food for themselves and their animals D) replacing plant communities with agricultural crops E) All of these choices are correct. Answer: E Topic: The Relationship of Humans to Their Environment Bloom's: 2. Understand Learning Outcome: 01.01 Explain how humans have impacted their environment, particularly during the past century. Accessibility: Keyboard Navigation Gradable: automatic 6 Copyright © 2018 McGraw-Hill 18) Plant ecologists and NASA scientists are working together to develop ________ for space travel that use plants to recycle carbon dioxide and produce oxygen. A) chemical carbon dioxide scrubbers B) open pond systems C) methane generators D) closed systems E) water purification systems Answer: D Topic: The Relationship of Humans to Their Environment Bloom's: 1. Remember Learning Outcome: 01.04 List the aspects of botany with which each of the major botanical disciplines is concerned. Accessibility: Keyboard Navigation Gradable: automatic 19) If a catastrophe destroyed all green plants and algae on land and in the water, animal life would be able to survive for approximately ________ before suffocating due to lack of oxygen. A) 6 months B) 1 year C) 6 years D) 11 years E) 100 years Answer: D Topic: Overview Bloom's: 1. Remember Learning Outcome: 01.03 Explain how and why all life is dependent on green organisms. Accessibility: Keyboard Navigation Gradable: automatic 20) Plants can live without humans but humans cannot live without plants. Answer: TRUE Topic: The Relationship of Humans to Their Environment Bloom's: 2. Understand Learning Outcome: 01.03 Explain how and why all life is dependent on green organisms. Accessibility: Keyboard Navigation Gradable: automatic 7 Copyright © 2018 McGraw-Hill 21) Originally, the scientific method was considered to involve a routine series of steps. Answer: TRUE Topic: Botany as a Science Bloom's: 1. Remember Learning Outcome: 01.02 Describe how hypotheses are formulated and used in the scientific method. Accessibility: Keyboard Navigation Gradable: automatic 22) The noted Swedish botanist Linnaeus published his book, Species Plantarum, in the early twentieth century. Answer: FALSE Topic: Diversification of Plant Study Bloom's: 1. Remember Learning Outcome: 01.04 List the aspects of botany with which each of the major botanical disciplines is concerned. Accessibility: Keyboard Navigation Gradable: automatic 23) Plant morphology is a discipline that deals with the naming and classification of plants. Answer: FALSE Topic: Diversification of Plant Study Bloom's: 1. Remember Learning Outcome: 01.04 List the aspects of botany with which each of the major botanical disciplines is concerned. Accessibility: Keyboard Navigation Gradable: automatic 24) Van Helmont concluded after his classical experiment with the willow tree that its increase in weight had been due to the water it had absorbed. Answer: TRUE Topic: Diversification of Plant Study Bloom's: 1. Remember Learning Outcome: 01.04 List the aspects of botany with which each of the major botanical disciplines is concerned. Accessibility: Keyboard Navigation Gradable: automatic 8 Copyright © 2018 McGraw-Hill 25) Science may be defined as "a search for knowledge of the natural world." Answer: TRUE Topic: Botany as a Science Bloom's: 2. Understand Learning Outcome: 01.02 Describe how hypotheses are formulated and used in the scientific method. Accessibility: Keyboard Navigation Gradable: automatic 26) Van Helmont's experiment with a willow branch demonstrated that the soil in which it grew gained weight over time. Answer: FALSE Topic: Botany as a Science Bloom's: 1. Remember Learning Outcome: 01.04 List the aspects of botany with which each of the major botanical disciplines is concerned. Accessibility: Keyboard Navigation Gradable: automatic 27) One website for learning about botany is MERLOT. Answer: TRUE Topic: Plant Biology on the Internet Bloom's: 1. Remember Learning Outcome: 01.04 List the aspects of botany with which each of the major botanical disciplines is concerned. Accessibility: Keyboard Navigation Gradable: automatic 28) Tropical rainforest is the only vegetation type that is being negatively impacted by human activities. Answer: FALSE Topic: The Relationship of Humans to Their Environment Bloom's: 2. Understand Learning Outcome: 01.01 Explain how humans have impacted their environment, particularly during the past century. Accessibility: Keyboard Navigation Gradable: automatic 9 Copyright © 2018 McGraw-Hill 29) Knowledge of plant anatomy can help in determining past climates and in forensic science. Answer: TRUE Topic: The Relationship of Humans to Their Environment Bloom's: 2. Understand Learning Outcome: 01.04 List the aspects of botany with which each of the major botanical disciplines is concerned. Accessibility: Keyboard Navigation Gradable: automatic 30) Humans have contributed to global warming and atmospheric pollution which, in turn will affect plant distribution. However, a change in plant distribution will not affect animal populations. Answer: FALSE Topic: The Relationship of Humans to Their Environment Bloom's: 2. Understand Learning Outcome: 01.01 Explain how humans have impacted their environment, particularly during the past century. Accessibility: Keyboard Navigation Gradable: automatic 10 Copyright © 2018 McGraw-Hill Stern's Introductory Plant Biology, 14e (Bidlack) Chapter 2 The Nature of Life 1) Which of the following is NOT a form of metabolism? A) respiration B) photosynthesis C) diffusion D) digestion E) assimilation Answer: C Topic: Attributes of Living Organisms Bloom's: 2. Understand Learning Outcome: 02.01 List the attributes of living organisms. Accessibility: Keyboard Navigation Gradable: automatic 2) Which of the following metabolic activities of plants produces sugars? A) photosynthesis B) assimilation C) digestion D) respiration E) None of these answers are correct. Answer: A Topic: Attributes of Living Organisms Bloom's: 1. Remember Learning Outcome: 02.01 List the attributes of living organisms. Accessibility: Keyboard Navigation Gradable: automatic 3) Determination of whether something is a living organism or a nonliving object is based on ________. A) a single characteristic such as change in position B) presence of carbon and hydrogen atoms C) several characteristics such as DNA and other organic materials inside a cell D) movement E) presence of carbon and oxygen atoms Answer: C Topic: Attributes of Living Organisms Bloom's: 2. Understand Learning Outcome: 02.01 List the attributes of living organisms. Accessibility: Keyboard Navigation Gradable: automatic 1 Copyright © 2018 McGraw-Hill 4) As living individuals grow and reproduce their response to environmental stimuli may include ________. A) movement B) increase in size C) change in position D) all of these E) none of these Answer: D Topic: Attributes of Living Organisms Bloom's: 2. Understand Learning Outcome: 02.01 List the attributes of living organisms. Accessibility: Keyboard Navigation Gradable: automatic 5) Which of the following is NOT an attribute of ALL living organisms? A) response to stimuli B) metabolism C) nervous system D) reproduction E) growth Answer: C Topic: Attributes of Living Organisms Bloom's: 2. Understand Learning Outcome: 02.01 List the attributes of living organisms. Accessibility: Keyboard Navigation Gradable: automatic 6) Which of the following is NOT an attribute of ALL living organisms? A) metabolism B) photosynthesis C) reproduction D) response to stimuli E) adaptation to the environment Answer: B Topic: Attributes of Living Organisms Bloom's: 2. Understand Learning Outcome: 02.01 List the attributes of living organisms. Accessibility: Keyboard Navigation Gradable: automatic 2 Copyright © 2018 McGraw-Hill 7) If a plant is wounded, some cells near the wound site begin dividing and seal off the wound. Once the wound is sealed, the cells stop dividing. The criterion /criteria of life illustrated here is/are A) response to an external stimulus. B) growth. C) reproduction. D) adaptation to the environment. E) Both response to the environment and growth are involved. Answer: E Topic: Attributes of Living Organisms Bloom's: 2. Understand Learning Outcome: 02.01 List the attributes of living organisms. Accessibility: Keyboard Navigation Gradable: automatic 8) Reproduction in living organisms results in ________. A) new individuals of the same species B) new individuals that are always genetically identical to the parents C) new individuals that are never genetically identical to the parents D) overpopulation of the community by that species E) loss of genetic variability in the population Answer: A Topic: Attributes of Living Organisms Bloom's: 2. Understand Learning Outcome: 02.01 List the attributes of living organisms. Accessibility: Keyboard Navigation Gradable: automatic 9) Response to a stimulus ________. A) requires movement B) may include a cellular or chemical change in the individual C) may occur without any chemical or physical change by the individual D) is not characteristic of rooted plants. E) always changes the genetic information Answer: B Topic: Attributes of Living Organisms Bloom's: 2. Understand Learning Outcome: 02.01 List the attributes of living organisms. Accessibility: Keyboard Navigation Gradable: automatic 3 Copyright © 2018 McGraw-Hill 10) The basic "stuff of the universe" or matter has which of the following characteristics? A) occupies space B) has mass C) is composed of atomic elements D) a and b only E) all of the above Answer: E Topic: Chemical and Physical Bases of Life Bloom's: 1. Remember Learning Outcome: 02.02 Define matter and describe its basic state. Accessibility: Keyboard Navigation Gradable: automatic 11) At present the number of elements naturally occurring on earth is ________. A) less than 90 B) 92 C) 98 D) 104 E) more than 105 Answer: B Topic: Chemical and Physical Bases of Life Bloom's: 1. Remember Learning Outcome: 02.02 Define matter and describe its basic state. Accessibility: Keyboard Navigation Gradable: automatic 12) The number of protons and electrons in a neutral atom is A) quite variable. B) the same. C) unknown. D) always unequal. E) unrelated. Answer: B Topic: Chemical and Physical Bases of Life Bloom's: 2. Understand Learning Outcome: 02.02 Define matter and describe its basic state. Accessibility: Keyboard Navigation Gradable: automatic 4 Copyright © 2018 McGraw-Hill 13) The atomic number of an element is based on A) the number of electrons associated with a single atom. B) the number of neutrons in the nucleus of an atom. C) the number of isotopes associated with it. D) the number of protons present in a single atom. E) its atomic mass. Answer: D Topic: Chemical and Physical Bases of Life Bloom's: 2. Understand Learning Outcome: 02.02 Define matter and describe its basic state. Accessibility: Keyboard Navigation Gradable: automatic 14) The volume of space in which a given electron occurs 90% of the time is called A) an orbital. B) a nucleus. C) an atom. D) a molecule. E) a bond. Answer: A Topic: Chemical and Physical Bases of Life Bloom's: 1. Remember Learning Outcome: 02.02 Define matter and describe its basic state. Accessibility: Keyboard Navigation Gradable: automatic 15) The element with the lowest atomic number and/or mass is A) oxygen. B) hydrogen. C) boron. D) nitrogen. E) carbon. Answer: B Topic: Chemical and Physical Bases of Life Bloom's: 1. Remember Learning Outcome: 02.02 Define matter and describe its basic state. Accessibility: Keyboard Navigation Gradable: automatic 5 Copyright © 2018 McGraw-Hill 16) Electrons are essentially A) positive electric charges. B) negative electric charges. C) unstable isotopes. D) uncharged particles. E) atomic particles that are bonded together. Answer: B Topic: Chemical and Physical Bases of Life Bloom's: 1. Remember Learning Outcome: 02.02 Define matter and describe its basic state. Accessibility: Keyboard Navigation Gradable: automatic 17) Which of the following carries a single positive charge? A) proton B) neutron C) lepton D) electron E) quark Answer: A Topic: Chemical and Physical Bases of Life Bloom's: 1. Remember Learning Outcome: 02.02 Define matter and describe its basic state. Accessibility: Keyboard Navigation Gradable: automatic 18) The mass of the protons and neutrons added is the A) atomic sum. B) atomic number. C) atomic weight. D) atomic charge. E) atomic coefficient. Answer: C Topic: Chemical and Physical Bases of Life Bloom's: 1. Remember Learning Outcome: 02.02 Define matter and describe its basic state. Accessibility: Keyboard Navigation Gradable: automatic 6 Copyright © 2018 McGraw-Hill 19) What is the maximum number of electrons that can occupy the innermost electron orbital? A) 2 B) 4 C) 6 D) 8 E) 10 Answer: A Topic: Chemical and Physical Bases of Life Bloom's: 1. Remember Learning Outcome: 02.02 Define matter and describe its basic state. Accessibility: Keyboard Navigation Gradable: automatic 20) Unfilled positions within an electron orbital tend to make the atom A) unreactive. B) neutral. C) less reactive. D) more reactive. E) stable. Answer: D Topic: Chemical and Physical Bases of Life Bloom's: 2. Understand Learning Outcome: 02.02 Define matter and describe its basic state. Accessibility: Keyboard Navigation Gradable: automatic 21) A substance consisting of two or more elements united by chemical bonds in a definite ratio is called a A) molecule. B) mixture. C) compound. D) base. E) valence. Answer: C Topic: Chemical and Physical Bases of Life Bloom's: 1. Remember Learning Outcome: 02.03 Describe the features of compounds, acids, bases, and salts. Accessibility: Keyboard Navigation Gradable: automatic 7 Copyright © 2018 McGraw-Hill 22) The bonds that hold atoms together do so through the sharing or transfer of A) atomic nuclei. B) electrons. C) protons. D) neutrons. E) molecules. Answer: B Topic: Chemical and Physical Bases of Life Bloom's: 2. Understand Learning Outcome: 02.03 Describe the features of compounds, acids, bases, and salts. Accessibility: Keyboard Navigation Gradable: automatic 23) Which type of chemical bond involves the transfer of electrons? A) ionic B) covalent C) hydrogen D) both ionic and covalent are correct E) both ionic and hydrogen are correct Answer: A Topic: Chemical and Physical Bases of Life Bloom's: 1. Remember Learning Outcome: 02.03 Describe the features of compounds, acids, bases, and salts. Accessibility: Keyboard Navigation Gradable: automatic 24) Carbon has an atomic number of 6. How many electrons does carbon have in its first and second electron orbitals, respectively? A) 2, 4 B) 4, 2 C) 1, 5 D) 3, 3 E) 0, 6 Answer: A Topic: Chemical and Physical Bases of Life Bloom's: 2. Understand Learning Outcome: 02.03 Describe the features of compounds, acids, bases, and salts. Accessibility: Keyboard Navigation Gradable: automatic 8 Copyright © 2018 McGraw-Hill 25) If there is an asymmetric charge distribution on a molecule creating a positively charged sector and a negatively charged sector, the type of molecule resulting would be ________. A) neutral. B) charged. C) polar. D) hydrophobic. E) radioactive. Answer: C Topic: Chemical and Physical Bases of Life Bloom's: 2. Understand Learning Outcome: 02.03 Describe the features of compounds, acids, bases, and salts. Accessibility: Keyboard Navigation Gradable: automatic 26) A solution that is slightly alkaline would have a pH in the range of A) 8.5. B) 7.5. C) 7.0. D) 6.5. E) 2.0. Answer: B Topic: Chemical and Physical Bases of Life Bloom's: 1. Remember Learning Outcome: 02.03 Describe the features of compounds, acids, bases, and salts. Accessibility: Keyboard Navigation Gradable: automatic 27) An acid is a compound that A) releases hydroxyl ions when dissolved in water. B) forms water when mixed with a salt. C) releases positively charged hydrogen ions when dissolved in water. D) converts starch to glucose. E) converts proteins to carbohydrates. Answer: C Topic: Chemical and Physical Bases of Life Bloom's: 2. Understand Learning Outcome: 02.03 Describe the features of compounds, acids, bases, and salts. Accessibility: Keyboard Navigation Gradable: automatic 9 Copyright © 2018 McGraw-Hill 28) In photosynthesis, light energy is converted into chemical energy plus heat energy. According to the first law of thermodynamics, A) the amount light energy is greater than the amount of chemical energy and heat energy combined. B) the amount of energy in heat plus chemical energy is greater than the amount of energy in light. C) the amount of light energy is equal to the amount of chemical energy and heat energy combined. D) the amount of light energy is equal to the amount of chemical energy, since both are forms of potential energy. E) there is no relationship between the amount of energy in light versus the amount of energy in chemical and heat energy since they are all different forms of energy. Answer: C Topic: Chemical and Physical Bases of Life Bloom's: 3. Apply Learning Outcome: 02.04 Describe the various forms of energy. Accessibility: Keyboard Navigation Gradable: automatic 29) When an acid and a base are mixed together, which of the following is produced? A) a salt B) a mixture C) an isotope D) a lipid E) a carbohydrate Answer: A Topic: Chemical and Physical Bases of Life Bloom's: 1. Remember Learning Outcome: 02.03 Describe the features of compounds, acids, bases, and salts. Accessibility: Keyboard Navigation Gradable: automatic 30) Which of the following pH values is considered neutral (i.e., neither acidic nor basic)? A) 6.8 B) 7.3 C) 7.5 D) 8.0 E) none of the choices are correct Answer: E Topic: Chemical and Physical Bases of Life Bloom's: 1. Remember Learning Outcome: 02.03 Describe the features of compounds, acids, bases, and salts. Accessibility: Keyboard Navigation Gradable: automatic 10 Copyright © 2018 McGraw-Hill 31) Laws pertaining to energy are called laws of ________. A) metabolism B) aerodynamics C) atomic fusion D) thermodynamics E) heredity Answer: D Topic: Chemical and Physical Bases of Life Bloom's: 1. Remember Learning Outcome: 02.04 Describe the various forms of energy. Accessibility: Keyboard Navigation Gradable: automatic 32) Covalent bonds between molecules inside living cells are often formed or broken through the addition or loss of ________. A) carbon dioxide B) oxygen C) water D) chlorine and sodium E) neutrons Answer: C Topic: Chemical and Physical Bases of Life Bloom's: 1. Remember Learning Outcome: 02.03 Describe the features of compounds, acids, bases, and salts. Accessibility: Keyboard Navigation Gradable: automatic 33) Classes of proteins called ________ function as organic catalysts for chemical reactions in cells. A) peptides B) enzymes C) thermal agents D) disaccharides E) hormones Answer: B Topic: Chemical and Physical Bases of Life Bloom's: 1. Remember Learning Outcome: 02.06 Describe the main properties and functions of carbohydrates, lipids, proteins, and nucleic acids. Accessibility: Keyboard Navigation Gradable: automatic 11 Copyright © 2018 McGraw-Hill 34) ________ polymer serve as the genetic memory in living cells. A) Carbohydrate B) Nucleic acid C) Protein D) Lipid E) Two or more of these Answer: B Topic: Chemical and Physical Bases of Life Bloom's: 2. Understand Learning Outcome: 02.06 Describe the main properties and functions of carbohydrates, lipids, proteins, and nucleic acids. Accessibility: Keyboard Navigation Gradable: automatic 35) Structural and functional molecules making up a cell have a skeleton of ________. A) carbon, hydrogen, and oxygen B) nitrogen and oxygen C) silicon and oxygen D) carbon and oxygen E) calcium phosphate Answer: A Topic: Chemical and Physical Bases of Life Bloom's: 2. Understand Learning Outcome: 02.05 List the chemical elements found in cells. Accessibility: Keyboard Navigation Gradable: automatic 36) Which of the following is NOT a major component of protoplasm? A) carbon B) hydrogen C) oxygen D) nitrogen E) sulfur Answer: E Topic: Chemical and Physical Bases of Life Bloom's: 1. Remember Learning Outcome: 02.05 List the chemical elements found in cells. Accessibility: Keyboard Navigation Gradable: automatic 12 Copyright © 2018 McGraw-Hill 37) The basic units or subunits of which a protein is composed are ________. A) fatty acids B) glycerols C) monosaccharides D) amino acids E) nucleic acids Answer: D Topic: Chemical and Physical Bases of Life Bloom's: 2. Understand Learning Outcome: 02.06 Describe the main properties and functions of carbohydrates, lipids, proteins, and nucleic acids. Accessibility: Keyboard Navigation Gradable: automatic 38) Compounds that consist of carbon, hydrogen, and oxygen in a ratio of CH2O are ________. A) lipids B) proteins C) nucleic acids D) enzymes E) carbohydrates Answer: E Topic: Chemical and Physical Bases of Life Bloom's: 1. Remember Learning Outcome: 02.06 Describe the main properties and functions of carbohydrates, lipids, proteins, and nucleic acids. Accessibility: Keyboard Navigation Gradable: automatic 39) Each nucleotide of a DNA molecule consists of a nitrogenous base plus ________. A) a 5-carbon sugar and a phosphate group B) an RNA molecule C) a sulfur salt D) a form of starch and a potassium ion E) a lipid and a carbohydrate Answer: A Topic: Chemical and Physical Bases of Life Bloom's: 1. Remember Learning Outcome: 02.06 Describe the main properties and functions of carbohydrates, lipids, proteins, and nucleic acids. Accessibility: Keyboard Navigation Gradable: automatic 13 Copyright © 2018 McGraw-Hill 40) The number of naturally occurring amino acids is ________. A) 20 B) 600 C) less than 10 D) 35 E) 64 Answer: A Topic: Chemical and Physical Bases of Life Bloom's: 1. Remember Learning Outcome: 02.06 Describe the main properties and functions of carbohydrates, lipids, proteins, and nucleic acids. Accessibility: Keyboard Navigation Gradable: automatic 41) What type of chemical bond joins amino acids together? A) hydrogen B) glycosidic C) ionic D) peptide E) both glycosidic and peptide are correct Answer: D Topic: Chemical and Physical Bases of Life Bloom's: 1. Remember Learning Outcome: 02.06 Describe the main properties and functions of carbohydrates, lipids, proteins, and nucleic acids. Accessibility: Keyboard Navigation Gradable: automatic 42) The linear sequence of amino acids in a polypeptide chain is called the ________. A) primary structure B) secondary structure C) tertiary structure D) quaternary structure E) beta structure Answer: A Topic: Chemical and Physical Bases of Life Bloom's: 1. Remember Learning Outcome: 02.06 Describe the main properties and functions of carbohydrates, lipids, proteins, and nucleic acids. Accessibility: Keyboard Navigation Gradable: automatic 14 Copyright © 2018 McGraw-Hill 43) If a fatty acid contains three or more double bonds between the carbons in the carbon chains, it would be ________. A) saturated B) unsaturated C) polycarbonated D) a polymer E) polyunsaturated Answer: E Topic: Chemical and Physical Bases of Life Bloom's: 1. Remember Learning Outcome: 02.06 Describe the main properties and functions of carbohydrates, lipids, proteins, and nucleic acids. Accessibility: Keyboard Navigation Gradable: automatic 44) Callose is produced on the bark of a plant that has been damaged. Answer: FALSE Topic: Attributes of Living Organisms Bloom's: 1. Remember Learning Outcome: 02.01 List the attributes of living organisms. Accessibility: Keyboard Navigation Gradable: automatic 45) Isotopes of an element have the same chemical characteristics but slightly different atomic mass due to differing number of neutrons. Answer: TRUE Topic: Chemical and Physical Bases of Life Bloom's: 1. Remember Learning Outcome: 02.02 Define matter and describe its basic state. Accessibility: Keyboard Navigation Gradable: automatic 46) Two different atoms, each with 7 electrons in their outmost energy shell, may share two pairs of electrons; that is, a double bond is formed between the two atoms. Answer: FALSE Topic: Chemical and Physical Bases of Life Bloom's: 2. Understand Learning Outcome: 02.02 Define matter and describe its basic state. Accessibility: Keyboard Navigation Gradable: automatic 15 Copyright © 2018 McGraw-Hill 47) A base is a compound that releases hydrogen ions when dissolved in water. Answer: FALSE Topic: Chemical and Physical Bases of Life Bloom's: 1. Remember Learning Outcome: 02.03 Describe the features of compounds, acids, bases, and salts. Accessibility: Keyboard Navigation Gradable: automatic 48) Hydrolysis of starch involves the addition of water molecules to the starch molecule. Answer: TRUE Topic: Chemical and Physical Bases of Life Bloom's: 2. Understand Learning Outcome: 02.03 Describe the features of compounds, acids, bases, and salts. Accessibility: Keyboard Navigation Gradable: automatic 49) If a lipid has its fatty acids attached to a glycerol molecule, it is called a wax. Answer: FALSE Topic: Chemical and Physical Bases of Life Bloom's: 1. Remember Learning Outcome: 02.06 Describe the main properties and functions of carbohydrates, lipids, proteins, and nucleic acids. Accessibility: Keyboard Navigation Gradable: automatic 50) About 50% of the cytoplasm including structures within are composed of carbon, hydrogen, oxygen, and nitrogen. The other 50% includes phosphorous, sulfur, potassium, and calcium. Answer: FALSE Topic: Chemical and Physical Bases of Life Bloom's: 2. Understand Learning Outcome: 02.05 List the chemical elements found in cells. Accessibility: Keyboard Navigation Gradable: automatic 51) An ion is neither positively nor negatively charged. Answer: FALSE Topic: Chemical and Physical Bases of Life Bloom's: 1. Remember Learning Outcome: 02.03 Describe the features of compounds, acids, bases, and salts. Accessibility: Keyboard Navigation Gradable: automatic 16 Copyright © 2018 McGraw-Hill 52) Nitrogenous bases refer to specific types of amino acids. Answer: FALSE Topic: Chemical and Physical Bases of Life Bloom's: 1. Remember Learning Outcome: 02.06 Describe the main properties and functions of carbohydrates, lipids, proteins, and nucleic acids. Accessibility: Keyboard Navigation Gradable: automatic 53) Protein molecules differ from those of carbohydrates and lipids in having nitrogen present. Answer: TRUE Topic: Chemical and Physical Bases of Life Bloom's: 1. Remember Learning Outcome: 02.06 Describe the main properties and functions of carbohydrates, lipids, proteins, and nucleic acids. Accessibility: Keyboard Navigation Gradable: automatic 54) Peptide bonds link the building blocks of carbohydrates together. Answer: FALSE Topic: Chemical and Physical Bases of Life Bloom's: 1. Remember Learning Outcome: 02.06 Describe the main properties and functions of carbohydrates, lipids, proteins, and nucleic acids. Accessibility: Keyboard Navigation Gradable: automatic 55) Nucleotides and amino acids are both "building blocks" of larger molecules. Answer: TRUE Topic: Chemical and Physical Bases of Life Bloom's: 2. Understand Learning Outcome: 02.06 Describe the main properties and functions of carbohydrates, lipids, proteins, and nucleic acids. Accessibility: Keyboard Navigation Gradable: automatic 17 Copyright © 2018 McGraw-Hill 56) The function of a protein will be either less effective or lost if the three-dimensional shape of the protein is altered. Answer: TRUE Topic: Chemical and Physical Bases of Life Bloom's: 2. Understand Learning Outcome: 02.06 Describe the main properties and functions of carbohydrates, lipids, proteins, and nucleic acids. Accessibility: Keyboard Navigation Gradable: automatic 57) Assimilation is the conversion of raw materials into protoplasm and other cell substances. Answer: TRUE Topic: Chemical and Physical Bases of Life Bloom's: 1. Remember Learning Outcome: 02.01 List the attributes of living organisms. Accessibility: Keyboard Navigation Gradable: automatic 58) Potential energy can be converted to kinetic energy. Answer: TRUE Topic: Chemical and Physical Bases of Life Bloom's: 1. Remember Learning Outcome: 02.04 Describe the various forms of energy. Accessibility: Keyboard Navigation Gradable: automatic 59) The combining capacity of an atom or ion is referred to as its valence. Answer: TRUE Topic: Chemical and Physical Bases of Life Bloom's: 1. Remember Learning Outcome: 02.02 Define matter and describe its basic state. Accessibility: Keyboard Navigation Gradable: automatic 18 Copyright © 2018 McGraw-Hill 60) If hydrogen atoms are attached to every available attachment point of fatty acid carbon atoms in a fat, the fat is said to be unsaturated. Answer: FALSE Topic: Chemical and Physical Bases of Life Bloom's: 1. Remember Learning Outcome: 02.06 Describe the main properties and functions of carbohydrates, lipids, proteins, and nucleic acids. Accessibility: Keyboard Navigation Gradable: automatic 61) All hormones and enzymes are lipids. Answer: FALSE Topic: Chemical and Physical Bases of Life Bloom's: 1. Remember Learning Outcome: 02.06 Describe the main properties and functions of carbohydrates, lipids, proteins, and nucleic acids. Accessibility: Keyboard Navigation Gradable: automatic 19 Copyright © 2018 McGraw-Hill Stern's Introductory Plant Biology, 14e (Bidlack) Chapter 3 Cells 1) Which of the following is/are generally credited with developing the cell theory? A) R. J. H. Dutrochet B) Nehemiah Grew C) Robert Hooke D) Rudolph Virchow E) Schleiden and Schwann Answer: E Topic: Cells Bloom's: 1. Remember Learning Outcome: 03.01 Explain the development of modern cell theory and state how early researchers have led us to our current understanding. Accessibility: Keyboard Navigation Gradable: automatic 2) Who first saw boxlike compartments with a simple microscope and named them "cells"? A) Anton van Leeuwenhoek B) Robert Hooke C) Francis Crick D) Charles Darwin E) Gregor Mendel Answer: B Topic: Cells Bloom's: 1. Remember Learning Outcome: 03.01 Explain the development of modern cell theory and state how early researchers have led us to our current understanding. Accessibility: Keyboard Navigation Gradable: automatic 3) ________ allow people to view objects smaller than 2 micrometers. A) Magnifying glasses B) Cameras C) Electron microscopes D) Telescopes E) The Hubble telescope Answer: C Topic: Cells Bloom's: 1. Remember Learning Outcome: 03.01 Explain the development of modern cell theory and state how early researchers have led us to our current understanding. Accessibility: Keyboard Navigation Gradable: automatic 1 Copyright © 2018 McGraw-Hill 4) The feature of a microscope that determines its greatest useful magnification is the ________. A) resolution B) intensity of the light source C) type of light used D) use of stains and dyes E) None of these Answer: A Topic: Cells Bloom's: 2. Understand Learning Outcome: 03.01 Explain the development of modern cell theory and state how early researchers have led us to our current understanding. Accessibility: Keyboard Navigation Gradable: automatic 5) ________ microscopes allow scientists to see atomic structure of molecules. A) Compound B) Scanning electron C) Dissecting D) Scanning tunneling E) Confocal scanning Answer: D Topic: Cells Bloom's: 1. Remember Learning Outcome: 03.01 Explain the development of modern cell theory and state how early researchers have led us to our current understanding. Accessibility: Keyboard Navigation Gradable: automatic 6) Which of the following would be found in a eukaryotic cell but NOT in a prokaryotic cell? A) chloroplast B) cell membrane C) mitochondrion D) nucleus E) chloroplast, mitochondria, and nucleus are correct. Answer: E Topic: Cell Structure and Communication Bloom's: 1. Remember Learning Outcome: 03.03 Draw the following cell structures and organelles and provide the function of each: plasma membrane, nucleus, endoplasmic reticulum, ribosomes, dictyosomes, plastids, mitochondria, microbodies, vacuoles, and cytoskeleton. Accessibility: Keyboard Navigation Gradable: automatic 2 Copyright © 2018 McGraw-Hill 7) Prokaryotic cells are characteristic of ________; eukaryotic cells are characteristic of ________. A) fungi; plants B) bacteria; all other organisms including plants and animals C) fungi; plants and animals D) plants and animals; bacteria E) viruses; bacteria Answer: B Topic: Eukaryotic versus Prokaryotic Cells Bloom's: 1. Remember Learning Outcome: 03.03 Draw the following cell structures and organelles and provide the function of each: plasma membrane, nucleus, endoplasmic reticulum, ribosomes, dictyosomes, plastids, mitochondria, microbodies, vacuoles, and cytoskeleton. Accessibility: Keyboard Navigation Gradable: automatic 8) According to the endosymbiotic theory A) all living organisms are composed of cells and that a cell is the smallest unit considered to be living. B) living organisms can arise from non-living matter and that the type of organism formed depends on the type of non-living matter C) chloroplasts and mitochondria evolved from small prokaryotes that were consumed by a larger eukaryotic cell. D) new species arise when a portion of the population becomes isolated from the remainder of the population and experiences different selective pressures. E) DNA controls the activities of the cell by specifying what proteins are to be synthesized. Answer: C Topic: Eukaryotic versus Prokaryotic Cells Bloom's: 1. Remember Learning Outcome: 03.01 Explain the development of modern cell theory and state how early researchers have led us to our current understanding. Accessibility: Keyboard Navigation Gradable: automatic 3 Copyright © 2018 McGraw-Hill 9) In a mature, functioning, healthy cell with a nucleus, which of the following is extracellular? A) endoplasmic reticulum B) middle lamella C) nucleolus D) chromosomes E) ribosomes Answer: B Topic: Cell Structure and Communication Bloom's: 1. Remember Learning Outcome: 03.03 Draw the following cell structures and organelles and provide the function of each: plasma membrane, nucleus, endoplasmic reticulum, ribosomes, dictyosomes, plastids, mitochondria, microbodies, vacuoles, and cytoskeleton. Accessibility: Keyboard Navigation Gradable: automatic 10) Mitochondria are A) the sites of protein synthesis in the cell. B) mainly found in vacuoles. C) the sites of production of energy (ATP) needed for plant functions. D) a part of Golgi bodies. E) devoid of internal structure. Answer: C Topic: Cell Structure and Communication Bloom's: 1. Remember Learning Outcome: 03.03 Draw the following cell structures and organelles and provide the function of each: plasma membrane, nucleus, endoplasmic reticulum, ribosomes, dictyosomes, plastids, mitochondria, microbodies, vacuoles, and cytoskeleton. Accessibility: Keyboard Navigation Gradable: automatic 11) Which of the following is NOT a component of cell walls? A) RNA B) cellulose C) lignin D) protein E) pectin Answer: A Topic: Cell Structure and Communication Bloom's: 1. Remember Learning Outcome: 03.02 Describe the unique structure of plant cells and how communication between and within cells occurs. Accessibility: Keyboard Navigation Gradable: automatic 4 Copyright © 2018 McGraw-Hill 12) The cell wall functions ________. A) as support B) as a barrier between plant and outside environment C) as protection for fragile cells D) to provide and maintain functional cell shape E) All answer choices are correct. Answer: E Topic: Cell Structure and Communication Bloom's: 2. Understand Learning Outcome: 03.02 Describe the unique structure of plant cells and how communication between and within cells occurs. Accessibility: Keyboard Navigation Gradable: automatic 13) The fluid within cells in which the nucleus and other organelles are suspended is A) protoplasm. B) cytosol C) cell sap. D) pectin. E) stroma. Answer: B Topic: Cell Structure and Communication Bloom's: 2. Understand Learning Outcome: 03.03 Draw the following cell structures and organelles and provide the function of each: plasma membrane, nucleus, endoplasmic reticulum, ribosomes, dictyosomes, plastids, mitochondria, microbodies, vacuoles, and cytoskeleton. Accessibility: Keyboard Navigation Gradable: automatic 14) The outer boundary of living protoplasm in a plant cell is a A) vacuolar membrane. B) primary cell wall. C) secondary cell wall. D) middle lamella. E) plasma membrane. Answer: E Topic: Cellular Components Bloom's: 2. Understand Learning Outcome: 03.03 Draw the following cell structures and organelles and provide the function of each: plasma membrane, nucleus, endoplasmic reticulum, ribosomes, dictyosomes, plastids, mitochondria, microbodies, vacuoles, and cytoskeleton. Accessibility: Keyboard Navigation Gradable: automatic 5 Copyright © 2018 McGraw-Hill 15) Cell membranes are made up of a mosaic of ________. A) phospholipids and proteins B) cellulose and lignin C) pectins and proteins D) nucleic acid and wax E) carbohydrates and proteins Answer: A Topic: Cellular Components Bloom's: 1. Remember Learning Outcome: 03.03 Draw the following cell structures and organelles and provide the function of each: plasma membrane, nucleus, endoplasmic reticulum, ribosomes, dictyosomes, plastids, mitochondria, microbodies, vacuoles, and cytoskeleton. Accessibility: Keyboard Navigation Gradable: automatic 16) Which of the following are primary constituents of cell membranes? A) nucleotides B) phospholipids C) proteins D) carbohydrates E) steroids Answer: B Topic: Cellular Components Bloom's: 2. Understand Learning Outcome: 03.03 Draw the function of each: plasma membrane, plastids, mitochondria, microbodies, Accessibility: Keyboard Navigation Gradable: automatic 17) Which of the following do NOT A) chloroplasts B) chromoplasts C) symplasts D) leucoplasts E) amyloplasts Answer: C Topic: Cellular Components Bloom's: 2. Understand Learning Outcome: 03.03 Draw the function of each: plasma membrane, plastids, mitochondria, microbodies, Accessibility: Keyboard Navigation Gradable: automatic following cell structures and organelles and provide the nucleus, endoplasmic reticulum, ribosomes, dictyosomes, vacuoles, and cytoskeleton. develop from proplastids? following cell structures and organelles and provide the nucleus, endoplasmic reticulum, ribosomes, dictyosomes, vacuoles, and cytoskeleton. 6 Copyright © 2018 McGraw-Hill 18) Cell structures that apparently function in controlling the addition of cellulose to the cell wall, in steering vesicles from Golgi bodies to the cell wall, and in aiding movement within the cell are A) thylakoids. B) ribosomes. C) mitochondria. D) microtubules. E) lysosomes. Answer: D Topic: Cellular Components Bloom's: 2. Understand Learning Outcome: 03.03 Draw the following cell structures and organelles and provide the function of each: plasma membrane, nucleus, endoplasmic reticulum, ribosomes, dictyosomes, plastids, mitochondria, microbodies, vacuoles, and cytoskeleton. Accessibility: Keyboard Navigation Gradable: automatic 19) The watery fluid found in vacuoles is called A) chromatin. B) stroma. C) cristae. D) protoplasm. E) cell sap. Answer: E Topic: Cellular Components Bloom's: 1. Remember Learning Outcome: 03.03 Draw the following cell structures and organelles and provide the function of each: plasma membrane, nucleus, endoplasmic reticulum, ribosomes, dictyosomes, plastids, mitochondria, microbodies, vacuoles, and cytoskeleton. Accessibility: Keyboard Navigation Gradable: automatic 7 Copyright © 2018 McGraw-Hill 20) Which of the following are common to nearly all plant and animal cells? A) plasmodesmata B) cell wall C) centrioles D) plastids E) cell membrane Answer: E Topic: Cellular Components Bloom's: 2. Understand Learning Outcome: 03.03 Draw the following cell structures and organelles and provide the function of each: plasma membrane, nucleus, endoplasmic reticulum, ribosomes, dictyosomes, plastids, mitochondria, microbodies, vacuoles, and cytoskeleton. Accessibility: Keyboard Navigation Gradable: automatic 21) Which of the following structures found in living cells is not bound by a membrane or membranes? A) Golgi bodies (dictyosomes) B) plastids C) ribosomes D) endoplasmic reticulum E) nucleus Answer: C Topic: Cellular Components Bloom's: 1. Remember Learning Outcome: 03.03 Draw the following cell structures and organelles and provide the function of each: plasma membrane, nucleus, endoplasmic reticulum, ribosomes, dictyosomes, plastids, mitochondria, microbodies, vacuoles, and cytoskeleton. Accessibility: Keyboard Navigation Gradable: automatic 8 Copyright © 2018 McGraw-Hill 22) Enzymes are synthesized on A) ribosomes. B) chloroplasts. C) Golgi bodies. D) the nucleus. E) microbodies. Answer: A Topic: Cellular Components Bloom's: 2. Understand Learning Outcome: 03.03 Draw the following cell structures and organelles and provide the function of each: plasma membrane, nucleus, endoplasmic reticulum, ribosomes, dictyosomes, plastids, mitochondria, microbodies, vacuoles, and cytoskeleton. Accessibility: Keyboard Navigation Gradable: automatic 23) The stacks of double membrane structures found in chloroplasts are A) plasma membranes. B) vacuolar membranes. C) dictyosomes (Golgi bodies) D) grana. E) smooth endoplasmic reticulum. Answer: D Topic: Cellular Components Bloom's: 1. Remember Learning Outcome: 03.03 Draw the following cell structures and organelles and provide the function of each: plasma membrane, nucleus, endoplasmic reticulum, ribosomes, dictyosomes, plastids, mitochondria, microbodies, vacuoles, and cytoskeleton. Accessibility: Keyboard Navigation Gradable: automatic 24) Which of the following are not found within chloroplasts? A) starch grains B) DNA C) ribosomes D) enzymes E) dictyosomes (Golgi bodies) Answer: E Topic: Cellular Components Bloom's: 2. Understand Learning Outcome: 03.03 Draw the following cell structures and organelles and provide the function of each: plasma membrane, nucleus, endoplasmic reticulum, ribosomes, dictyosomes, plastids, mitochondria, microbodies, vacuoles, and cytoskeleton. Accessibility: Keyboard Navigation Gradable: automatic 9 Copyright © 2018 McGraw-Hill 25) Which of the following may be found in plant cell vacuoles? A) water-soluble pigments B) crystals C) salts D) sugars E) All of these answers are correct. Answer: E Topic: Cellular Components Bloom's: 1. Remember Learning Outcome: 03.03 Draw the following cell structures and organelles and provide the function of each: plasma membrane, nucleus, endoplasmic reticulum, ribosomes, dictyosomes, plastids, mitochondria, microbodies, vacuoles, and cytoskeleton. Accessibility: Keyboard Navigation Gradable: automatic 26) The structure known as the ________ is formed of RNA and associated proteins inside the nucleus. A) ribosome B) nucleolus C) mitochondrion D) dictyosome (Golgi) E) nucleus Answer: B Topic: Cellular Components Bloom's: 1. Remember Learning Outcome: 03.03 Draw the following cell structures and organelles and provide the function of each: plasma membrane, nucleus, endoplasmic reticulum, ribosomes, dictyosomes, plastids, mitochondria, microbodies, vacuoles, and cytoskeleton. Accessibility: Keyboard Navigation Gradable: automatic 10 Copyright © 2018 McGraw-Hill 27) Which of the pairs is mismatched? A) chloroplast; photosynthesis B) nucleus; chromosomes C) microtubule; movement D) mitochondrion; energy production E) ribosome; digestion Answer: E Topic: Cellular Components Bloom's: 2. Understand Learning Outcome: 03.03 Draw the following cell structures and organelles and provide the function of each: plasma membrane, nucleus, endoplasmic reticulum, ribosomes, dictyosomes, plastids, mitochondria, microbodies, vacuoles, and cytoskeleton. Accessibility: Keyboard Navigation Gradable: automatic 28) Maintaining the internal pressure of plants cells is a function of the A) dictyosome (Golgi). B) cytoplasm. C) lysosome. D) vacuole. E) microtubules. Answer: D Topic: Cellular Components Bloom's: 2. Understand Learning Outcome: 03.03 Draw the following cell structures and organelles and provide the function of each: plasma membrane, nucleus, endoplasmic reticulum, ribosomes, dictyosomes, plastids, mitochondria, microbodies, vacuoles, and cytoskeleton. Accessibility: Keyboard Navigation Gradable: automatic 29) Which organelle is correctly matched with its function? A) endoplasmic reticulum; starch storage B) nucleolus; DNA synthesis C) dictyosome (Golgi); packaging D) chloroplast; RNA synthesis E) vacuole; membrane synthesis Answer: C Topic: Cellular Components Bloom's: 2. Understand Learning Outcome: 03.03 Draw the following cell structures and organelles and provide the function of each: plasma membrane, nucleus, endoplasmic reticulum, ribosomes, dictyosomes, plastids, mitochondria, microbodies, vacuoles, and cytoskeleton. Accessibility: Keyboard Navigation Gradable: automatic 11 Copyright © 2018 McGraw-Hill 30) Cyclosis is explained as the A) cycling of DNA to RNA. B) secretion of cyclin. C) cloning of a gene. D) movement of cytoplasm and certain organelles within the cell. E) cyclic nature of the mitotic process. Answer: D Topic: Cellular Components Bloom's: 1. Remember Learning Outcome: 03.02 Describe the unique structure of plant cells and how communication between and within cells occurs. Accessibility: Keyboard Navigation Gradable: automatic 31) The middle lamella A) appears after droplets of pectin accumulate in the equatorial region on spindle fibers. B) consists mainly of cellulose. C) appears during anaphase. D) is not formed if the phragmoplast is present. E) is an important living portion of the cell. Answer: A Topic: Cellular Components Bloom's: 1. Remember Learning Outcome: 03.02 Describe the unique structure of plant cells and how communication between and within cells occurs. Accessibility: Keyboard Navigation Gradable: automatic 32) In which phase of the cell cycle does replication (duplication) of the DNA take place? A) interphase B) prophase C) metaphase D) anaphase E) telophase Answer: A Topic: Cellular Reproduction Bloom's: 2. Understand Learning Outcome: 03.05 Describe what takes place during interphase of the cell cycle as well as the events that take place during the four phases of mitosis. Accessibility: Keyboard Navigation Gradable: automatic 12 Copyright © 2018 McGraw-Hill 33) In mitosis the two chromatids of each chromosome separate and move to opposite poles during A) prophase. B) metaphase. C) anaphase. D) telophase. E) interphase. Answer: C Topic: Cellular Reproduction Bloom's: 1. Remember Learning Outcome: 03.05 Describe what takes place during interphase of the cell cycle as well as the events that take place during the four phases of mitosis. Accessibility: Keyboard Navigation Gradable: automatic 34) Which of the following does NOT occur during interphase? A) increase in size and accumulation of building blocks for DNA synthesis B) duplication of organelles and accumulation of components needed for actual cell division C) DNA replication D) beginning of chromosome condensation E) cytokinesis Answer: E Topic: Cellular Reproduction Bloom's: 2. Understand Learning Outcome: 03.05 Describe what takes place during interphase of the cell cycle as well as the events that take place during the four phases of mitosis. Accessibility: Keyboard Navigation Gradable: automatic 35) In plants such as ferns, conifers, and flowering plants, mitosis takes place mostly in A) meristems. B) wood. C) the center of stems. D) the center of roots. E) leaves. Answer: A Topic: Cellular Reproduction Bloom's: 1. Remember Learning Outcome: 03.05 Describe what takes place during interphase of the cell cycle as well as the events that take place during the four phases of mitosis. Accessibility: Keyboard Navigation Gradable: automatic 13 Copyright © 2018 McGraw-Hill 36) Following chromosome duplication, the 2 chromatids are held together at the A) centrosome. B) centromere. C) telomere. D) kinetochore. E) centriole. Answer: B Topic: Cellular Reproduction Bloom's: 1. Remember Learning Outcome: 03.05 Describe what takes place during interphase of the cell cycle as well as the events that take place during the four phases of mitosis. Accessibility: Keyboard Navigation Gradable: automatic 37) If a cell has 6 chromosomes, how many chromatids are present during metaphase of mitosis? A) 6 B) 12 C) 18 D) 24 E) cannot be determined Answer: B Topic: Cellular Reproduction Bloom's: 2. Understand Learning Outcome: 03.01 Explain the development of modern cell theory and state how early researchers have led us to our current understanding.; 03.05 Describe what takes place during interphase of the cell cycle as well as the events that take place during the four phases of mitosis. Accessibility: Keyboard Navigation Gradable: automatic 38) Chromosomes shorten and thicken during this stage of the cell cycle. A) metaphase B) anaphase C) prophase D) telophase E) cytokinesis Answer: C Topic: Cellular Reproduction Bloom's: 1. Remember Learning Outcome: 03.05 Describe what takes place during interphase of the cell cycle as well as the events that take place during the four phases of mitosis. Accessibility: Keyboard Navigation Gradable: automatic 14 Copyright © 2018 McGraw-Hill 39) A characteristic of metaphase is that A) chromatids separate and move apart. B) chromosomes are arranged randomly. C) microtubules are synthesized. D) the nucleolus re-forms. E) chromosomes are arranged on the equatorial plane. Answer: E Topic: Cellular Reproduction Bloom's: 1. Remember Learning Outcome: 03.05 Describe what takes place during interphase of the cell cycle as well as the events that take place during the four phases of mitosis. Accessibility: Keyboard Navigation Gradable: automatic 40) The cell plate appears during A) metaphase. B) interphase. C) prophase. D) telophase. E) prophase II. Answer: D Topic: mitosis; Cellular Reproduction Bloom's: 1. Remember Learning Outcome: 03.05 Describe what takes place during interphase of the cell cycle as well as the events that take place during the four phases of mitosis. Accessibility: Keyboard Navigation Gradable: automatic 41) The ________ initiates the formation of the new cell wall separating two daughter cells. A) cell plate B) centriole C) phragmoplast D) dictyosome E) endoplasmic reticulum Answer: C Topic: Cellular Reproduction Bloom's: 2. Understand Learning Outcome: 03.05 Describe what takes place during interphase of the cell cycle as well as the events that take place during the four phases of mitosis. Accessibility: Keyboard Navigation Gradable: automatic 15 Copyright © 2018 McGraw-Hill 42) Communication between two daughter cells is maintained by the formation of ________ during cytokinesis. A) the middle lamella B) the primary cell wall C) the secondary cell wall D) plasmodesmata E) microtubular links Answer: D Topic: Cell Structure and Communication Bloom's: 1. Remember Learning Outcome: 03.02 Describe the unique structure of plant cells and how communication between and within cells occurs. Accessibility: Keyboard Navigation Gradable: automatic 43) The secondary cell wall forms ________. A) after the cell reaches mature size and shape B) in some, but not all plant cells C) forms between the cell membrane and the primary cell wall D) from cellulose and lignin E) All answer choices are correct. Answer: E Topic: Cell Structure and Communication Bloom's: 2. Understand Learning Outcome: 03.02 Describe the unique structure of plant cells and how communication between and within cells occurs. Accessibility: Keyboard Navigation Gradable: automatic 44) Leeuwenhoek is credited with applying the term cell to the boxlike compartments he saw in cork tissue. Answer: FALSE Topic: Cells Bloom's: 1. Remember Learning Outcome: 03.01 Explain the development of modern cell theory and state how early researchers have led us to our current understanding. Accessibility: Keyboard Navigation Gradable: automatic 16 Copyright © 2018 McGraw-Hill 45) Pasteur discovered that alcoholic fermentation involved the activity of yeast. Answer: TRUE Topic: Cells Bloom's: 1. Remember Learning Outcome: 03.01 Explain the development of modern cell theory and state how early researchers have led us to our current understanding. Accessibility: Keyboard Navigation Gradable: automatic 46) A plasma membrane consists primarily of carbohydrate molecules. Answer: FALSE Topic: Cells Bloom's: 1. Remember Learning Outcome: 03.03 Draw the following cell structures and organelles and provide the function of each: plasma membrane, nucleus, endoplasmic reticulum, ribosomes, dictyosomes, plastids, mitochondria, microbodies, vacuoles, and cytoskeleton. Accessibility: Keyboard Navigation Gradable: automatic 47) The region of a chromosome to which a spindle fiber may be attached is called a chromatid. Answer: FALSE Topic: Cellular Reproduction Bloom's: 1. Remember Learning Outcome: 03.05 Describe what takes place during interphase of the cell cycle as well as the events that take place during the four phases of mitosis. Accessibility: Keyboard Navigation Gradable: automatic 48) Golgi bodies (dictyosomes) appear as branches of chloroplasts in the cell. Answer: FALSE Topic: Cellular Components Bloom's: 1. Remember Learning Outcome: 03.03 Draw the following cell structures and organelles and provide the function of each: plasma membrane, nucleus, endoplasmic reticulum, ribosomes, dictyosomes, plastids, mitochondria, microbodies, vacuoles, and cytoskeleton. Accessibility: Keyboard Navigation Gradable: automatic 17 Copyright © 2018 McGraw-Hill 49) Cell vacuoles contain water and dissolved substances. Answer: TRUE Topic: Cellular Components Bloom's: 1. Remember Learning Outcome: 03.03 Draw the following cell structures and organelles and provide the function of each: plasma membrane, nucleus, endoplasmic reticulum, ribosomes, dictyosomes, plastids, mitochondria, microbodies, vacuoles, and cytoskeleton. Accessibility: Keyboard Navigation Gradable: automatic 50) The nuclear envelope is porous to allow certain molecules to move between the nucleus and cytoplasm Answer: TRUE Topic: Cellular Components Bloom's: 1. Remember Learning Outcome: 03.04 Describe how information contained in the nucleus relates to other parts of the cell. Accessibility: Keyboard Navigation Gradable: automatic 51) The preprophase band, the spindle fibers, and the phragmoplast are involved in cell division and are part of the cytoskeleton. Answer: TRUE Topic: Cellular Reproduction Bloom's: 1. Remember Learning Outcome: 03.05 Describe what takes place during interphase of the cell cycle as well as the events that take place during the four phases of mitosis. Accessibility: Keyboard Navigation Gradable: automatic 52) Protein synthesis takes place in the mitochondria. Answer: FALSE Topic: Cellular Components Bloom's: 1. Remember Learning Outcome: 03.03 Draw the following cell structures and organelles and provide the function of each: plasma membrane, nucleus, endoplasmic reticulum, ribosomes, dictyosomes, plastids, mitochondria, microbodies, vacuoles, and cytoskeleton. Accessibility: Keyboard Navigation Gradable: automatic 18 Co