What is the Major Structural Component of Bacterial Cell Walls

Question

What is the major structural component of bacterial cell walls?
A) cellulose
B) arabinogalactan
C) peptidoglycan
D) proteoglycan

Accepted Answer

The major structural component of bacterial cell walls is peptidoglycan, which provides strength and rigidity to the cell wall, distinguishing it from plant and fungal cell walls that contain cellulose and chitin, respectively.