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
Sulphonamide is conjugated with: 
Select and explain. 
A. Acetylation, B. Methylation, C. Hydroxylation, D. None
A: Acetylation
Answer: A: Acetylation 
Explanation: None