This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pharmacology
[{'content': 'Which of the following enzymes, requires Biotin as the coenzyme? \nSelect and explain. \nA. Pyruvate Dehydrogenase, B. Pyruvate Kinase, C. Pyruvate Carboxylase, D. PEP Carboxy Kinase', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Biotin is a coenzyme in carboxylation reactions, in which it serves as a carrier of activated carbon dioxide.', 'role': 'assistant'}]