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Please Help me with these! I think 55 is D, 57 is A or E...and 64 B or E....I am

ID: 580078 • Letter: P

Question

Please Help me with these! I think 55 is D, 57 is A or E...and 64 B or E....I am not sure. Please verify! Thanks!

55. As a result of the ETC, an osmotic difference is created between the matrix and the A. cytoplasm B. matrix C. nucleus D. innermembrane space E. outermembrane 57. During oxidative phosphorylation, where is the energy for synthesizing ATP gained? A. through exergonic reactions B. oxidation of Cyt C D. electronmotive force E. protonmotive force C. oxidation of ethanol 64. For the pyruvate dehydrogenase complex, what is the specific chemical function of the thiamine pyrophosphate cofactor? A. activation of acetyl-CoA B. oxidation of lipoic acid C. reduction of NAD D. transfer of the acetyl group to CoA E.decarboxylation of pyruvate

Explanation / Answer

55. D. Innermembrane space

57. E. Protonmotive force

64. E. Decarboxylation of pyruvate