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Questions  

In which of the following steps production of NADH occurs during respiration?
(a) Isocitric acid → α-ketoglutaric acid
(b) α-ketoglutaric acid → Succinyl Co.A
(c) Succinyl Co.A → Succinic acid

a
a and b only
b
b and c only
c
a and c only
d
a, b and c

detailed solution

Correct option is A

When succinyl CoA→ succinic acid then substrate level phosphorylation occurs but NADH is not produced. NADH + H+ are formed during the conversion of isocitric acid to α-ketoglutaric acid and its subsequent conversion to succinyl.co.A.

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Similar Questions

Which of the following reaction is associated with decarboxylation reactions during the Citric acid Cycle?
(a) Isocitrate  α-Ketoglutarate
(b)  α-Ketoglutarate Succinyl CoA
(c) Succinate Fumarate
(d) Pyruvate Acetyl CoA


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