1.

The cell wall of bacteria comprises of(a) NAG(b) NAM(c) peptidoglycan(d) All of these

Answer»

Answer is : (d)

The cell wall of bacteria comprises of NAG, NAM and peptidoglycan. NAG, NAM (N - acetyl glucosamine and N - acetyl muramic acid) are the two important sugar derivatives. The cell wall comprises of peptidoglycan in which NAG and NAM ore joined by short peptide chains.



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