TLS Online TPP Program

#Question id: 40184


Choose the correct option regarding the bacterial cell wall.

Assertion (A): N-acetylmuramic acid (NAM) is a crucial component of the bacterial cell wall found in both Gram-positive and Gram-negative bacteria.

Reason (R): NAM residues serve as the attachment point for the peptide chains that cross-link the peptidoglycan layers. 

#Applied Microbiology
  1. Both A and R are true, and R is the correct explanation of A
  2. Both A and R are true, but R is NOT the correct explanation of A
  3. A is true but R is false
  4. A is false but R is true.