NEET · BiologyHard
During the complete oxidation of one molecule of glucose via aerobic respiration, what is the net gain of produced exclusively through substrate-level phosphorylation?
- A.2 ATP
- B.4 ATP
- C.6 ATP
- D.38 ATP
Show correct answer & step-by-step solution
Correct answer: B — 4 ATP
Solution
- Glycolysis yields 2 via substrate-level phosphorylation.
- The Krebs cycle yields 1 (equivalent to ) per acetyl-CoA.
- Two acetyl-CoA molecules enter the Krebs cycle per glucose.
- Total .
- Hence the answer is (B).
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