Bacitracin acts on:
Ans. (A) Cell wall(Ref: Katzung 10/e p741; KDT 8/e p741)Bacitracin acts by inhibiting the synthesis of cell wall.Other polypeptide antibiotics like polymyxin B, colistin and tyrothricin act by affecting membranes.
Cell wall
Cell membrane
Nucleic acid
Ribosome
Chemotherapy: General Principles