Bacitracin is a polypeptide antibiotic that interferes with bacterial cell-wall synthesis. It is mainly used topically because systemic administration can cause significant toxicity. Gentamicin is an aminoglycoside, cephaloridin is a cephalosporin, and erythromycin belongs to the macrolide group.
Which is a polypeptide antibiotic?
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Question context
This question is part of 🦠 Microbiology within the broader 🧬 Medical Science subject and appears in the PPSC Punjab Public Service Commission preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.