Chap006 (1) - Chapter 06 Test Bank An Introduction to...

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Chapter 06 - Test Bank: An Introduction to Energy, Enzymes, and Metabolism Chapter 06 Test Bank: An Introduction to Energy, Enzymes, and Metabolism Multiple Choice Questions 1. Which of the following represents two general factors that determine the fate of a chemical reaction in living cells? A. its enzyme and rate B. its enzyme and direction C. its direction and rate D. its rate and product E. its enzyme and products 2. Water held behind a dam would best reflect ________. A . potential energy B. kinetic energy C. chemical energy D. heat energy E. mechanical energy 3. All of the following have potential energy EXCEPT A. ATP. B . nitrogen. C. an electrical/ion gradient. D. concentration gradient. E. NADH 4. According to the first law of thermodynamics A. the transfer of energy increases the disorder of a system. B. the transfer of energy increases entropy. C. energy cannot be created or destroyed. D. once energy is created it can be destroyed. E. kinetic energy is based on location. 1-1
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Chapter 06 - Test Bank: An Introduction to Energy, Enzymes, and Metabolism 5. The amount of available energy that can be used to promote change do work is called A. enthalpy. B. entropy. C. free energy. D. kinetic energy. E. heat. 6. Which of the following is TRUE for a reaction that has a G 0? A. The reaction will require energy. B. The reaction will yield energy. C. The reaction is spontaneous. D. The reaction will require energy and is spontaneous. E. The reaction will yield energy and is spontaneous. 7. Which is true of the following reaction: ? A. It has a change in free energy that is less than 0. B. It has a change in free energy that is greater than 0. C. It can be used to drive endergonic reactions. D. It yields energy. E. It has a change in free energy that is greater than 0, and hence can be used to drive endergonic reactions. 8. Which of the following reactions would require the hydrolysis of at least two ATP molecules ( G = -14.6 kCal) for it to occur? A. A reaction that has a G = -8 kCal. B. A reaction that has a G = +8 kCal. C. A reaction that has a G = -16 kCal. D. A reaction that has a G = +16 kCal. E. A reaction that has a G = -14.6 kCal. 9. A chemical reaction that has a positive G is correctly described as A. endergonic. B. endothermic. C. enthalpic. D. spontaneous E. exothermic. 1-2
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Chapter 06 - Test Bank: An Introduction to Energy, Enzymes, and Metabolism 1-3
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Chapter 06 - Test Bank: An Introduction to Energy, Enzymes, and Metabolism 10. Which of the following is true for ALL exergonic reactions? A. The products have more total energy than the reactants. B.
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This note was uploaded on 04/14/2011 for the course BIO 1300 taught by Professor E.m during the Spring '10 term at N.C. Central.

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Chap006 (1) - Chapter 06 Test Bank An Introduction to...

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