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Questions  

How many NADH+H+ and FADH2 molecules are produced in a single turn of TCA cycle?

a
3 NADH+H+ and 1 FADH2
b
2 NADH+H+ and 3 FADH2
c
6 NADH+H+ and 4 FADH2
d
9 NADH+H+ and 6 FADH2

detailed solution

Correct option is A

There are three points in the TCA cycle where NAD+ is reduced to NADH+H+  ( During the conversion of Citric acid to α-keto glutaric acid, α-keto glutaric acid to succinyl co.A and conversion of Malic acid to Oxaloacetic acid) and one point where FAD+ is reduced to FADH2 during the formation of Fumaric acid from Succinic acid.

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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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