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Questions  

In which of the following reactions substrate level phosphorylation does not occur?

a
Succinyl-CoA → Succinic acid
b
1,3 bisphosphoglyceric acid→ 3-phosphoglyceric acid
c
Phosphoenolpyruvate→ Pyruvic acid
d
Pyruvic acid→ Acetyl CoA

detailed solution

Correct option is D

When pyruvic acid is converted to acetyl CoA, NADH+H+ is produced but not directly ATP. The remaining reactions are associated with substrate level phosphorylation because of direct production of ATP.

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