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
Which antitubercular drug inhibits mycolic acid synthesis ? 
Select and explain. 
A. INH, B. Streptomycin, C. Rifampicin, D. Ethambutol
A: INH
Answer: A: INH 
Explanation: Ans. is'a'i.e., INHINH + Inhibits synthesis of mycolic acid which is a component of mycobacterial cell wall.Pyrazinamide -+ Inhibits synthesis of mycolic acid.