Which reactions release co 2 a 12 b 23 c 34 d 56 e 78

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11. Which reactions release CO 2 ? A) 1,2 B) 2,3 C) 3,4 D) 5,6 E) 7,8 12. Which reaction gives up its electrons to ubiquinone? 13. Which of the following represent hydrolysis of "high-energy" bonds? 14. Which of the following serves as a “swinging arm” when it transfers a reaction intermediate from one active site to the next? 15. Which type of glycosylation involves more complex oligosaccharides that are built onto the protein one residue at a time? A) N -linked B) O -linked C) S -linked 16. Glycolysis is an example of a(n) _____ pathway. 17. The standard reduction potential relates to an inherent property of a given molecule and is not influenced by the concentrations of reduced and oxidized species. 18. What is the total generation of ATP in the energy payoff phase of glycolysis per molecule of glucose? Version 2 Page 2
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19. In the following reaction, which component is oxidized and which is the oxidizing agent? NADH + H + + Q NAD + + QH 2 A) NADH is oxidized and Q is the oxidizing agent. B) Q is oxidized and NADH is the oxidizing agent. C) NADH is oxidized and is therefore the oxidizing agent. D) NADH is oxidized and H + is the oxidizing agent. 20. In α - D glucose the hydroxyl group at C1 (carbon #1) is pointing _____ in the Haworth projection. Section II: 62 points (2 points each) 21. Mannose is the C2 epimer of glucose. Which of the structures below is mannose? 22. Which component of the electron transport chain is actually an enzyme that functions in the TCA cycle? 23. Electrons that enter at Complex II translocate enough protons to make ~3 ATP. A) True B) False 24. Which enzyme of the pyruvate dehydrogenase complex is directly responsible for producing acetyl-CoA? 25. How many QH 2 molecules are ultimately oxidized (net) in the process of reducing 2 molecules of cytochrome c ?
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