This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
[{'content': 'All of the following help in detoxification of drugs except \nSelect and explain. \nA. NADPH cytochrome p450 reductase, B. Cytochrome p450, C. Cytochrome oxidase, D. Monooxygenase', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Drugs are metabolized by cytochrome p450 dependent oxidation and cytochrome p450 independent oxidation (by monooxygenase) NADPH cytochrome p450 reductase is same as flavin monooxygenase Cytochrome oxidise is involved in respiratory change and not in drug metabolism Refer kdt 11/e p55', 'role': 'assistant'}]