This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Mechanisms of Enzyme Action, Subject name: Biochemistry
[{'content': 'Pyruvate dehydrogenase requires - \nSelect and explain. \nA. Biotin, B. Pyridoxin, C. Folic acid, D. Pantothenic acid', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., Pantothenic acid o PDH requires CoA (Coenzyme A)o Pentothenic acid is a building block of CoA.", 'role': 'assistant'}]