Biochemistry For which of the following enzymes, thiamine pyrophosphate (TPP) acts as Cofactor A Pyruvate Dehydrogenase B Alpha Ketoglutarate dehydrogenase C Branched chain ketoacid dehydrogenase D All of the above 💡 Explanation For which of the following enzymes, thiamine pyrophosphate (TPP) acts as Cofactor ✓ Correct Answer: D. All of the above