Multiple choice

Exposing bacterial cells to high osmotic pressure halts the activity of which antibiotic?

  1. Polymyxin

  2. Erythromycin

  3. Penicillin

  4. Sulfonamide

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

Bacterial cells susceptible to penicillin can be protected from destruction if the medium in which they are exposed is of high osmotic pressure. The high osmotic pressure prevents the cells from bursting.