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Questions  

Substrate entrant of TCA cycle is:
(a)  3-carbon compound formed in cytoplasm
(b) Formed in mitochondrial matrix through oxidative decarboxylation of pyruvic acid
(c) Two carbon compound acetyl-CoA

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

detailed solution

Correct option is D

The first substrate that enter into TCA cycle is Acetyl-CoA which is a 2 carbon compound and is formed from link reaction or during oxidative decarboxylation of pyruvic 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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