Bio 101 Exam 1 Study Guide Questions And Answers.

1) All organisms belonging to the kingdom Plantae - Photosynthetic 2) The complex of proteins and DNA in a nondividing cell is called - chromatin 3) The nucleoid region of a prokaryotic cell - contains the cells DNA 4) The ultimate source of energy flowing into nearly all ecosystems is - sunlight 5) How do cells capture the energy released by cellular respiration? - they produce ATP 6) The end products of glycolysis include - NADH 7) Which of the following structures is exclusively associated with prokaryotic cells? - Nucleoid 8) A person with AB blood illustrates the principle of - codominance 9) You are told that the cells on a microscope slide are plant, animal, or bacterial. You look at them through a microscope and see cell walls and membrane-bound organelles. You conclude correctly that the cells - Plant cell 10) Glucose molecules are to starch as ________ are to proteins. - Amino acids 11) The nucleus of a cell - contains DNA 12) Which of the following trace elements needed by humans is commonly added to table salt? - iodine13) The sodium atom contains 11 electrons, 11 protons, and 12 neutrons. What is the mass number of sodium? - 23 14) One centimeter = ________ millimeters. - 10 15) A hydrogen atom has one electron. How many covalent bonds can hydrogen form? - 1 16) Karyotyping - can reveal alterations in chromosome numbers 17) A major type of lipid found in cell membranes is - phospholipids 18) The tree in your backyard is home to two cardinals, a colony of ants, a wasp's nest, two squirrels, and millions of bacteria. Together, all of these organisms represent - Community 19) The role of a control in an experiment is to - basis of comparison to experimental group 20) Which of the following cell structures is associated with the breakdown of harmful substances or substances that are no longer needed by the cell? - peroxisomes 21) Most people afflicted with recessive disorders are born to parents who were - not affected by the disease 22) If you eat a hamburger, you are mainly eating ground-up beef muscle. What levels of organization are represented in this ground-up muscle? - Organelle, cell, and tissue 23) The molecules responsible for membrane transport are - Protiens 24) Which of the following organisms can make organic molecules from water and carbon dioxide? - wheat26) Resolution is the - ability of an optical instrument to show two close objects as seperate 27) If you were to add olive oil to your food as part of a diet to lower your risk of atherosclerotic disease, you would use olive oil that - Liquid at room temp 28) Archaea are composed of _______ cells. - Prokaryotic 29) A hypothesis is - a tentative answer to some question. 30) Which of the following statements about cells is true? - All cells have internal structures that move 31) A bacterial cell's DNA is found in its - Nucleoid Region