Multiple Choice
In the citric acid (Krebs) cycle, how many ATP molecules are produced directly (as substrate-level phosphorylation) per turn of the cycle for each acetyl-CoA that enters?
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Review 3: Pyruvate & Fatty Acid Oxidation, Citric Acid Cycle, & Glycogen Metabolism
Citric Acid Cycle 1
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In cellular respiration, what is the main function of the Krebs (citric acid) cycle?
A
To convert glucose into two molecules of pyruvate in the cytosol
B
To use oxygen as the terminal electron acceptor to form water
C
To oxidize acetyl-CoA to while generating reduced electron carriers (NADH and FADH) for the electron transport chain
D
To directly produce most of the cell's ATP by substrate-level phosphorylation
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Citric Acid Cycle 1 practice set
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