Question

How does penicillin kill bacteria?

• A. Penicillin inhibits protein synthesis.
• B. Penicillin prevents cell wall formation.
• C. Penicillin interferes with the bacterial metabolism.
• D. Penicillin makes holes in the cell membrane

Answer 1

The correct option is B

Penicillin prevents cell wall formation.

Penicillin inhibits the enzymes that are involved in the formation of the bacterial cell wall. Bacteria with weak cell walls are more easily damaged by immune reaction.