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: Pharmacology
Detoxification of drugs is controlled by ? 
Select and explain. 
A. Cytochrome, B. Cytochrome p450, C. Cytochrome C, D. Cytochrome A
B: Cytochrome p450
Answer: B: Cytochrome p450 
Explanation: Ans. is 'b' i.e., Cytochrome p450 Cytochrome p450 enzymes are microsomal enzymes that are involved in phase I metabolism of many drugs. Most of the drugs are metabolized by CYP 3A4 isoform.