14. (2 pts) Which one of the following is NOT a biological function of the citri

Question

14. (2 pts) Which one of the following is NOT a biological function of the citric acid cycle? A. Completing the oxidation of carbon from glucose to CO2 B. Production of GTP, which can be interconverted with ATP C. Production of ribose 5-phosphate, a precursor for nucleotides and coenzymes D. Generation of NADH E. Generation of FADH2 (2 pts) "Early" enzymes of the citric acid cycle can be negatively regulated (inhibited) by several intermediates or products of the pathway. Name two of these; enter your responses in the blanks provided. 15.

Explanation / Answer

Answer:

14). C. Production of ribose 5-phosphate, a precursor for nucleotides and coenzymes

15).  Isocitrate dehydrogenase and ?-ketoglutarate dehydrogenase.

Explanation:

Control of the Citric Acid Cycle: The citric acid cycle is regulated primarily by the concentration of ATP and NADH. The key control points are the enzymes isocitrate dehydrogenase and ?-ketoglutarate dehydrogenase.

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