This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Other topics and Adverse effects, Subject name: Anatomy
All of the following reactions are catalysed by microsomal enzymes except 
Select and explain. 
A. Glucuronidation, B. Acetylation, C. Oxidation, D. Reduction
B: Acetylation
Answer: B: Acetylation 
Explanation: Ref-KDT 6/e p25 Most of the Phase 1 reactions and Glucuronide conjugation(phase II reaction)are catalysed by microsomal enzymes.these enzyme can be induced or inhibited by drugs .acetylation is carried out by N-acetyl transferase,a non microsomal enzyme