Question

Difference between Gram-positive and Gram-negative bacteria

Answer 1

S.No.	Gram-positive Bacteria	Gram-negative Bacteria
1.	Single layered with 0.015µm-0.02µm	Triple-layered with 0.0075µm–0.012µm thick
2.	Rigid due to presence of Peptidoglycans	Elastic due to the presence of a lipoprotein-polysaccharide mixture
3.	Peptidoglycans-80% Polysaccharide-20% Teichoic acid present	Peptidoglycans-3 to 12% rest is polysaccharides and lipoproteins. Teichoic acid absent
4.	Absent	Present
5.	Highly susceptible	Low susceptible
6.	Relatively complex	Relatively simple
7.	Contain 2 basal body rings	Contain 4 basal body rings
8.	Low	High