Multiple choice

Penicillin inhibits bacterial multiplication because it _______

  1. checks RNA synthesis

  2. checks DNA synthesis

  3. destroys chromatin formation

  4. inhibits cell wall formation
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Penicillin acts by interfering with the synthesis of peptidoglycan, which is a critical component of the bacterial cell wall. Without a functional cell wall, bacteria cannot maintain their integrity and die.

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