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

Correct option is 1a and b only

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

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By Expert Faculty of Sri Chaitanya

a and b only

b and c only

c and d only

a, b and d

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detailed solution

Correct option is A

In Kreb's cycle or Citric acid cycle when Isocitrate is converted to α-Ketoglutarate and α-Ketoglutarate is converted to Succinyl CoA CO2 is released. When pyruvate is converted to acetyl CoA then also CO2 is released but it is a part of link reaction and not Kreb's cycle.