GR - Enzymes and Energy III

GR - Enzymes and Energy III - Guided Reading - Enzymes and...

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1. Catalysts increase reaction rates by lowering the activation energy of a reaction. True False 2. An enzyme elevated in the plasma of men with prostate cancer is A. alkaline phosphatase. B. catalase. C. creatine kinase. D. acid phosphatase. 3. Enzymes ______________ the rate of a specific chemical reaction. A. decrease B. increase C. have no effect on 4. Ribozymes are RNA molecules that act as A. hormones. B. cofactors. C. enzymes. D. inhibitors. 5. If NAD becomes reduced it is a(n) A. reducing agent. B. oxidizing agent. C. zymogen. D. allosteric inhibitor. 6. The pH optima for all digestive enzymes are approximately equal to the pH of blood. True False 7. An atom or molecule that is oxidized is also a reducing agent. True False 8. The phosphatase found in bone would have a pH optimum that is ______________ than the pH optimum of the phosphatase found in the prostate gland. A. higher
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GR - Enzymes and Energy III - Guided Reading - Enzymes and...

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