One glucose on complete oxidation yield 36 ATP. During this oxidation of glucose, what is the contribution of Krebs cycle via oxidative phosphorylation?

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11 ATP

12 ATP

22 ATP

24 ATP

answer is C.

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Detailed Solution

In one Krebs cycle, 3 NADH and 1 FADH₂ are produced.
1 NADH= 3ATP and 1 FADH₂ = 2 ATP
Total number of ATP produced through 1 Krebs cycle- 11
The Krebs cycle is repeated twice for one molecule of glucose.
Therefore, total number of ATP is= 11 x 2= 22ATP

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