Question

Peptidoglycan is a characteristic constituent of cell wall ofA. bacteria and unicellular eukaryotesB. bacteria and cyanobacteriaC. archaebacteria and eukaryotesD. all members of monera and protista

Answer 1

bacteria and cyanobacteria

Answer 2

"Peptidoglycan is a characteristic constituent of the cell wall of bacteria and Cyanobacteria.

Reason:

Peptidoglycan, otherwise called murein, is a polymer comprising of sugars and amino acids that shapes work as a layer outside the plasma film of most microscopic organisms, framing the cell wall.

The cell wall of bacteria and cyanobacteria is characterized by peptidoglycan layer which gives protection to the cell against chemical and mechanical injury. "