Enzymes of Krebs cycle occur in mitochondrial matrix except one which is attached to inner mitochondrial membrane

Citrate synthetase

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keto glutarate dehydrogenase

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Succinate dehydrogenase

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Malate dehydrogenase

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Solution

The correct option is C Succinate dehydrogenase
Glycolysis is followed by Krebs' cycle which occurs in mitochondria. Almost the entire process occurs in the mitochondrial matrix except succinate dehydrogenase, an enzyme that converts succinic acid to fumaric acid. This enzyme is present in the inner membrane of mitochondria.
So the answer is 'Succinate dehydrogenase'.

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