Different antibiotics have specific modes of action such as inhibiting cell wall synthesis, protein synthesis, DNA synthesis, or plasma membrane function.
Penicillin: inhibits cell wall synthesis.
Erythromycin and Aminoglycosides: inhibit protein synthesis.
Quinolones: inhibit DNA synthesis.
Sulfonamides: inhibit synthesis of essential metabolites.
Polymyxin B: injures plasma membrane.
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