Multiple choice

Antibiotic penicillin acts against bacteria by which of the following ways?

  1. Killing the bacteria.

  2. Blocking nutritional pathways for the bacteria.

  3. Neutralizing the bacteria.

  4. Blocking biochemical pathways important for bacteria.

  5. Reducing the effect of the bacteria.

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Antibiotic penicillin blocks biochemical pathways important for bacteria. This inhibits the growth of bacteria or kills it.