Quiz 7 - 6. Enzymes that de-activate specific proteins by...

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10-16-09 Quiz 7 1. A reaction that results in increased system stability has: a. −∆G b. +∆G 2. A reaction that is driven by ATP has: a. −∆G b. +∆G For the next two questions, choose from: a. endergonic and becomes more stable b. endergonic and becomes less stable c. exergonic and becomes more stable d.exergonic and becomes less stable 3. A reaction that has a −∆G is characteristically ____ . 4. A reaction that has a +∆G is characteristically ____ . 5. As a system is moved away from equilibrium, entropy… a. increases. b. decreases. c. stays the same.
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Unformatted text preview: 6. Enzymes that de-activate specific proteins by removing phosphate groups from them are a. protein phosphatases. b. protein kinases. 7. Adding more substrate is a way to counter the effects of __________ . a. a competitive inhibitor. b. a non-competitive inhibitor. True (a) or False (b): 8. Catabolism describes a metabolic pathway that consists of a series of condensation rx. 9. Spontaneous changes of energy increase the disorder of the universe. 10. A coenzyme is an inorganic cofactor. Key: 1a, 2b, 3c, 4b, 5b, 6a, 7a, 8b, 9a, 10b...
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