This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Metabolism of carbohydrate, Subject name: Biochemistry
Pyruvate dehydrogenase complex requires all the following coenzymes, Except 
Select and explain. 
A. FAD, B. NAD+, C. THF, D. TPP
C: THF
Answer: C: THF 
Explanation: COA, TPP (thiamine pyrophosphate), Lipoate, FAD, NAD+ cofactors are pa of pyruvate dehydrogenase complexreaction. Ref: Biochemistry by U. Satyanarayana 3rd edition Pgno : 252