This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Metabolism of protein and amino acid, Subject name: Biochemistry
[{'content': 'Which of the following is not the source of cytosolic NADPH \nSelect and explain. \nA. Malic enzyme, B. Isocitrate dehydrogenase, C. ATP citrate lyase, D. 6-phospho gluconate dehydrogenase', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Sources of NADPH * Glucose-6-phosphate dehydrogenase in HMP SHUNT pathway (Glucose-6-phosphate - 6-phospho-glucono lactone) * 6-phospho gluconate dehydrogenase in HMPshunt pathway (6-phospho gluconate - 3-keto-6-phospho gluconate) * Cytoplasmic isocitrate dehydrogenase * Malic enzyme (malate to pyruvate). Ref:- Harper 30/e; pg num:- 197', 'role': 'assistant'}]