BIOL 1406

Biology 1406 EXAM 2 questions n answers rated A+ In a closed system from which no energy can be removed and to which none can be added from outside, - correct answer Potential energy decreases, and entropy increases Catalysts essentially equal to enzymes but made of RNA are - correct answer ribozymes Which cellular component is responsible for the regulation of exchanges of substances between a cell and its environment? - correct answer the cell membrane Cells with greater than diploid...

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7 pages

Written in 2023/2024

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Biology 1406 Exam 3 - CH 8-10 questions with complete solutions rated A+In Phase 1 of photosynthesis the electrons come from a _________ being broken and end up as part of a ___________ molecule. - correct answer water, NADPH The final products of photosynthesis are - correct answer Glucose and O2 Why is photosynthesis an anabolic pathway? - correct answer Energy is used to form glucose The Calvin cycle takes place.. - correct answer in the stroma What are the products of the light-d...

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16 pages

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Biology 1406: Exam 3 questions with answersautotrophs - correct answer an organism able to build all the complex organic molecules that it requires as its own food source heterotroph - correct answer an organism that cannot derive energy from photosynthesis or inorganic chemicals , and so must feed on other plants and animals, obtaining chemical energy by degrading their organic molecules cellular respiration - correct answer the oxidation of organic compounds to extract energy from chemic...

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9 pages

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Biology 1406 Exam 4 Review questions with 100% correct answers If T=39%, What is the percentage of A? 39% If T=39%, What is the percentage of C? 11% If T=39%, What is the percentage of G? 11% If A=19%, What is the percentage of T? 19% If A=19%, What is the percentage of C? 31% If A=19%, What is the percentage of G? 31% What holds DNA double helix together? Hydrogen Bonds What holds codon/anitcodons together? Hydrogen Bonds What holds DNA to RNA ...

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16 pages

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Biology 1406 Exam 4 Study Guide Ch. 12-17 questions with complete solutionsWhat happens in the G1 phase? - correct answer Normal activities of the cell What happens in the S phase? - correct answer DNA is replicated What happens in G2 phase? - correct answer Preparation of the cell to undergo mitosis: copying organelles, making proteins and ATP, copying centrosome What happens in prophase? - correct answer A cell's genetic material condenses, a spindle starts to form, and the nuclear e...

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11 pages

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Biology 1406 Exam 5 questions with correct answers The DNA molecule has how many strands? - correct answer two strands (double stranded) The RNA molecule has how many strands? - correct answer one (single stranded) What process occurs at the ribosome? - correct answer translation Who's job is it to pick up amino acids and transport them to the ribosomes? - correct answer tRNA What is attached to the transfer RNA (tRNA)? - correct answer amino acids Two part of protein synthesis? ...

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3 pages

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biology 1406 exam 5 questions n answers latest updateIn 1928, __________ was surprised to find that when he killed pathogenic bacteria, then mixed the bacterial remains with living harmless bacteria, some living bacterial cells became pathogenic. - correct answer Frederick Griffith In 1952, ___________ used bacteriophages to show that DNA is the genetic material of T2, a virus that infects the bacterium Escherichia coli (E. coli). - correct answer Hershey-Chase __________ are viruses ...

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5 pages

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Biology 1406 Exam review Chapter 2 fully solved already passedIsotope - correct answer Atoms of the same element that have different numbers of neutrons or different atomic forms of the same element. Molecule - correct answer Two or more atoms held together by covalent bonds. Ion - correct answer An atom or group of atoms that have gained or lost one or more electrons, thus acquiring a charge. Cation - correct answer A positively charged ion. Mass number - correct answer Number of pr...

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6 pages

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BIOLOGY 1406 EXAM REVIEW correctly answered latest update During your senior year you get the opportunity to travel to the Amazon rainforest. You spend a lot of time in the area of Lago Grande in Brazil as well as other parts of this vast jungle. You are in awe of all the living organisms that inhabit this particular area as well as the Amazon River that flows through the heart of the rainforest. The tropical climate is humid, but reminds you of home. What type of biological organization was de...

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60 pages

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Biology 1406 final exam practice questions with verified solutionsWhat is not a part of the Cell Theory - correct answer The molecules within a cell are alive the process that converts DNA to mRNA - correct answer Transcription The process that converts mRNA to protein - correct answer Translation The four cells produced in meiosis will have a - correct answer n number of chromosomes and will differ genetically from each other what are the reactants of photosynthesis - correct answer...

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7 pages

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Biology 1406 Final Exam questions well solvedThe main source for producers in an ecosystem is? - correct answer Light energy Which of the following types of cells utilize deoxyribonucleic acid (DNA) as their genetic material but do not have their DNA encased within a nuclear envelope? - correct answer Archea Prokaryotes are classified as belonging to two different domains. What are the domains? - correct answer Bacteria and archea A water sample from a hot thermal vent contained a singl...

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11 pages

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biol 1406 Collin College -Biology 1406 Final Exam What is homeostasis - correct answer the process whereby living organisms regulate their cells and bodies to maintain relatively stable internal conditions What are the characteristics of living things - correct answer 1. Cells and Organization 2. Energy use and metabolism 3. Response to environmental changes 4. Regulation and homeostasis 5. Growth and Development 6. Reproduction 7. Biological Evolution atom - correct answer the smal...

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69 pages

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Biology 1406 Genetics questions well answered rated A+Gregor Mendel - correct answer considered the father of genetics, experimented with pea plants and discovered that individuals have two alleles pollen - correct answer flower sperm; Mendel removed the male reproductive organs of flowers and used this to fertilize the female reproductive organs of different flowers phenotype - correct answer physical characteristics of an organism; "what you see is what you get" true lines - correct...

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3 pages

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Biology 1406- Lab 6 questions & answers graded A+Reducing sugar - correct answer Benedict's reagent Protein - correct answer Biuret Reagent Lipid - correct answer Sudan IV Starch - correct answer Lugol's iodine Water, does not contain the molecule you're testing for - correct answer positive control Contains the molecule you're testing for - correct answer Negative control Biuret color change - correct answer Purple- positive Blue- negative Benedict's reagent color cha...

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2 pages

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Biology 1406 Lab Exam 1 fully solved rated A+Why is oil immersion used? - correct answer To reduce the amount of light rays that are refracted away from the objective lens. It increases numerical aperture and maintains a uniform light speed. increase the resolving power of a microscope. Prevents refraction of light. What parts of the microscope does light travel through? - correct answer Illuminator-The light source for the microscope. Diaphragm-Controls the amount of light entering the conde...

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7 pages

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Biology 1406 Lab Exam 2 questions well answered graded A+Eukaryotes (4 Characteristics) - correct answer membrane bound organelles, DNA in nucleus, larger, Kingdoms: Plantae/Animalia/Fungi/Protista Prokaryotes (4 Characteristics) - correct answer no membrane bound organelles, DNA is single circular, smaller, Kingdoms: Bacteria/Archaea Same In All Cells (4 Characteristics) - correct answer Ribosomes, genetic material, plasma membrane, cytoplasm dH2O is what compared to Elodea - correct a...

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7 pages

Written in 2023/2024

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BIOLOGY 1406 lecture exam 1 questions with 100% correct answersWhat are proteins? - correct answer Polymers of amino acids covalently bonded through peptide bonds into a chain What are the parts of an amino acid? - correct answer central carbon single hydrogen carboxyl group amino group R-group {side chain} What is the significance of the R-group {side chain}? - correct answer distinguishes one amino acid from another and dictates an amino acid's properties What is an oligopepti...

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20 pages

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Biology 1406 lecture exam 4 questions well answeredGregor Mendel - correct answer father of modern genetics two things Gregor Mendel discussed - correct answer character trait character - correct answer heritable feature of an organism trait - correct answer version of a character what did mendel follow? - correct answer the inheritance of traits in true-breeding pea plants cross - correct answer mating between traits ex: purple flower with a white flower hybrid - correct ans...

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27 pages

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Biology 1406 Photosynthesis questions n answers graded A+What is photosynthesis? - correct answer The process in plants which convert light energy to chemical energy which will be stored as sugar or organic molecules. What is being converted in the process of photosynthesis? - correct answer Light energy to chemical energy What are the raw materials of photosynthesis? - correct answer Water and Carbon Dioxide How does gas exchange occur in a leaf? - correct answer Carbon Dioxide enter t...

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4 pages

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Biology 1406 Quiz 1 (chapters 1 & 2)with complete solutions Which of the following was Charles Darwin's most significant original contribution to understanding both the unity and diversity of life? - correct answer He proposed a mechanism to explain the process of evolution The process of science involves testing which of the following? - correct answer a hypothesis In her studies of chimpanzee behavior, Jane Goodall collected both qualitative and quantitative data. Which of the following...

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2 pages

Written in 2023/2024

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