This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Biochemistry
[{'content': 'In TCA cycle, NADH is produce at all sites except - \nSelect and explain. \nA. Isocitrate dehydrogenase, B. Succinate dehydrogenase, C. Malate dehydrogenase, D. a Ketoglutarate dehydrogenase', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Succinate dehydrogenase NADH is produced and CO , is liberated at 3 steps :Conversion of isocitrate to a-ketoglutarate by isocitrate dehydrogenaseConversion of a-ketoglutarate to succinyl CoA by a-ketoglutarate dehydrogenaseConversion of L-malate to oxaloacetate by malate dehydrogenase.", 'role': 'assistant'}]