This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Sulfonamide, Subject name: Pharmacology
Drug inhibiting bacterial protein synthesis are all except - 
Select and explain. 
A. Aminoglycosides, B. Chloramphenicol, C. Clindamycin, D. Sulfonamides
D: Sulfonamides
Answer: D: Sulfonamides 
Explanation: Ans. is 'd' i.e., Sulfonamides Bacterial protein syn thesis and site of action of antibioticso Sulfonamides and other sulfa antibiotics indirectly inhibit DNA synthesis nu inhibiting folate synthesis.