The antibiotic which acts by interfering with addition of new cell wall subunits (Muramyl pentapeptides) is:: (A) Bacitracin, (B) Penicillins, (C) Vancomycin, (D) Mupirocin
Answer is C. Vancomycin, penicillin and bacitracin acts by inhibiting cell wall synthesis. Ref: Harrisons, Edition-18, Page : 1134.