<prompt> Bacitracin acts on -Cell WallCell MembraneNucleic AcidRibosome  <response>: Ans. is a i.e., Cell wall Bacitracin acts by inhibiting cell wall synthesis. o Bacitracin is a polypeptide antibiotic. o Other polypeptide antibiotics Polymyxin B, colistin and tyrothricin act on cell membrane. 