Which of the Following Antibiotics Is Mismatched with Its Mode

Which of the following antibiotics is mismatched with its mode of action?

A) Vancomycin: inhibition of cell wall synthesis in Gram-negative bacteria
B) Aminoglycosides: binding to 30S ribosomal subunit and blocking of protein synthesis
C) Isoniazid: inhibition of mycolic acid synthesis
D) Polymyxin B: disruption of plasma membrane
E) Polypeptide antibiotics: inhibition of peptidoglycan polymerization