NEET Biology question

Net yield of ATP molecules in aerobic respiration during Krebs' cycle per glucose molecule is

(A)2 ATP moleculesCorrect
(B)8 ATP molecules
(C)36 ATP molecules
(D)38 ATP molecules

Answer: (A)

Solution

Within the Krebs cycle itself, the only ATP formed directly by substrate-level phosphorylation is 1 GTP/ATP per turn; since one glucose generates two acetyl-CoA (two turns of the cycle), this gives a net

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Question ID VK-113103