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': '6-Phosphogluconate dehydrogenase needs \nSelect and explain. \nA. NAD, B. NADPH, C. FAD, D. FMN', 'role': 'user'}, {'content': 'Answer: B \nExplanation: The synthesis of glucose-6-phosphate dehydrogenase and 6-phosphogluconate dehydrogenase may also be induced by insulin in the fed state,\nA second oxidative step is catalyzed by 6-phosphogluconate dehydrogenase, which also requires NADP+ as hydrogen acceptor.', 'role': 'assistant'}]