Medical MCQ-Which one of the following enzymes provides a link between glycolysis and the citric acid cycle?

Which one of the following enzymes provides a link between glycolysis and the citric acid cycle?

Lactate dehydrogenase

Pyruvate Kinase

Citrate synthase

Pyruvate dehydrogenase

Question Category:

Biochemistry

Correct Answer:

Pyruvate dehydrogenase

Description:

PDH complex consist of 3 Enzymes and 5 Coenzymes Three enzymes are:Pyruvate Dehydrogenase bound to Thiamin Diphosphate Dihydrolipoyl Transacetylase, the prosthetic group is oxidised Lipomide Dihydrolipoyl Dehydrogenase, contains FAD.Coenzymes (very important)Thiamine Diphosphate (TDP) Lipomide Coenzyme A FAD NADKey Concept: Pyruvate Dehydrogenase which converts pyruvate to acetyl CoA provides a connecting link between glycolysis and citric acid cycle.

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