This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Metabolism of carbohydrate, Subject name: Biochemistry
[{'content': 'Pentose pathway is essential for the production of \nSelect and explain. \nA. NAD, B. FAD, C. NADPH, D. NADH', 'role': 'user'}, {'content': 'Answer: C \nExplanation: The major metabolic role of the HMP shunt pathway is to provide cytoplasmic NADPH for reductive biosynthesis of fatty acids, cholesterol, and steroidsRef: DM Vasudevan, 7th edition, page no: 130', 'role': 'assistant'}]