What Antibiotic Kills Bacteria by Disrupting Their Cell Membranes

Question

What antibiotic kills bacteria by disrupting their cell membranes
A)Erythromycin
B)Rifampin
C)Tetracycline
D)Polymyxin B

Accepted Answer

Polymyxin B kills bacteria by disrupting their cell membranes. Erythromycin and Tetracycline work by inhibiting protein synthesis in bacteria and Rifampin works by inhibiting RNA synthesis in bacteria.