Screenshot_20181004-184150.jpg - CHEM 661 EXAM 4(Chapters 20-28 Spring 2013 Multiple-Choice Questions(2 points each 16 What three events occur during

Screenshot_20181004-184150.jpg - CHEM 661 EXAM 4(Chapters...

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Unformatted text preview: CHEM 661 EXAM 4 (Chapters 20-28) Spring 2013 Multiple-Choice Questions (2 points each) 16. What three events occur during the light reactions of photosynthesis? A. energy of electron transport in the thylakoid membrane B. oxidation of water, reduction of NADP,, formation of ATP C. oxidation of water, recuction of NADP*, hydrolysis of ATP D. fixation of carbon dioxide, release of oxygen, synthesis of glucose E. release of oxygen, fixation of carbon dioxide, hydrolysis of ATP 17. Epinephrine: A. stimulates the synthesis of glycogen in liver cells. B. has no effect on CAMP in muscle cells C. has a direct effect on the glucose transporter in muscle cells. D. stimulates the degradation of glycogen in muscle cells. 18. Which of the following molecules is both part of the citric acid cycle and directly part of electron transport? A. isocitrate. B. succinate. C. malate D. oxaloacetate. 19. Oxidative phosphorylation depends on all of the following EXCEPT: A. a difference in hydrogen ions across a membrane. B. energy derived from food molecules. C. a highly impermeable inner mitochondrial membrane. D. NADPH 20. The major site(s) of glycogen storage is (are): adipose tissue. B) liver. C) skeletal muscle. D) B and C. E) A, B, and C. 21. What physiological conditions render phosphorylase b less active? A) high ATP, high AMP, and glucose 6-phosphate levels B) high ATP and low calcium ion levels C) high ATP and high glucose 6-phosphate levels D) All of the above. E) None of the above. CHEM 661 EXAM 4 (Chapters 20-28) Spring 2013...
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