Multiple choice

Which, out of the following substances, is present in the cell walls of Gram Positive bacteria only?

  1. Peptidoglycan

  2. Lipopolysaccharides

  3. Teichoic acids

  4. None of these

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

Teichoic acids are unique components found exclusively within the thick peptidoglycan cell walls of Gram-positive bacteria. Lipopolysaccharides are characteristic of Gram-negative outer membranes.