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Question

Assertion :Respiratory enzyme found attached to inner mitochondrial is malate dehydrogenase. Reason: It allows acetyl CoA to enter Kreb Cycle.

A
Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
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B
Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
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C
Assertion is correct but Reason is incorrect
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D
Both Assertion and Reason are incorrect
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Solution

The correct option is D Both Assertion and Reason are incorrect
The respiratory enzyme found attached to inner mitochondrial is succinate dehydrogenase. All other enzymes of the citric acid cycle are located within the mitochondrial matrix. The entry of acetyl co-A into Kreb cycle is guarded by citrate synthase enzyme that converts acetyl co-A into citrate.
Thus, the correct answer is option D.

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