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
Mechanism of action of sulfonamide is? 
Select and explain. 
A. Inhibit bacterial cell wall synthesis, B. Inhibits translocation of mRNA, C. Inhibits folate synthesis, D. Inhibits bacterial respiration
C: Inhibits folate synthesis
Answer: C: Inhibits folate synthesis 
Explanation: Ans. is 'c' i.e., Inhibits folate synthesis Sulfonamides are bacteriostatic and act by inhibiting folic acid synthesis by inhibiting enzyme folate synthatase.