Gram Positive and Gram Negative Cell Wall
Gram-Positive Bacterial Cell Wall Cell wall of gram-positive bacteria (figure), is approximately 80nm thick having several layers of peptidoglycan. Peptidoglycan : It contributes to 50−90% of the dry weight of the cell wall. It is thicker, stronger, and extensively cross-linked than gram-negative bacteria, in which peptidoglycan comprises of 5−10% of the wall material. Peptidoglycan layer is thin in
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