Multiple choice

Bacterial cell wall consists of which of the following?

  1. NAG

  2. NAM

  3. NAG and NAM

  4. Cellulose

  5. -

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

The major structural component of the cell wall is peptidoglycan, which is a complex molecule that is composed of alternating units of N-acetylglucosamine (NAG) and N-acetylmuramic acid (NAM) and is cross-linked by short peptides.