The net number of ATPs per molecule of glucose during aerobic respiration is:
Correct answer: B. 36
- A. 30
- B. 36
- C. 38
- D. 40
Explanation
In aerobic respiration, there are two types of phosphorylation: oxidative and substrate-level phosphorylation. Substrate level phosphorylation occurs during glycolysis and Kreb's cycle and leads to the formation of a net of 4 ATP molecules. Oxidative phosphorylation occurs in the inner mitochondrial membrane via the electron transport system and leads to the formation of 32 ATP molecules. Hence, the net number of ATPs formed is 32 + 4 = 36
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