This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: vitamins, Subject name: Biochemistry
[{'content': 'Thiamine is coenzyme for all the following enzymes except \nSelect and explain. \nA. a-ketoglutarate dehydrogenase, B. Pyruvate dehydrogenase, C. Succinate dehydrogenase, D. Transketolase', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Vitamin Functions Deficiency Disease B1 Coenzyme in pyruvate and a-ketoglutarate dehydrogenases, and transketolase; regulates Cl- channel in nerve conduction Peripheral nerve damage (beriberi) or central nervous system lesions (Wernicke Korsakoff syndrome) Reference: Harper; 30th edition; Page no: 550', 'role': 'assistant'}]