Question

In 2-3 sentences and in your own words, explain the difference in the cell wall of a Gram-positive cell versus in the cell wall of a Gram-negative cell.

Answer 1

They are classified on the basis of their cell wall composition and as well as by the reaction to the Gram stain test.

Explanation:

Most bacteria are classified into two main categories

i) Gram positive bacteria and ,

ii) Gram negative bacteria.

They are classified on the basis of their cell wall composition and as well as by the reaction to the Gram stain test.

Gram positive bacteria's characteristics

ii) they have cell walls composed mostly of peptidoglycan.

i) stain purple after Gram staining.

Gram negative bacteria's characteristics.

i) they have cell wall only a thin layer of peptidoglycan and an outer membrane with a lipopolysaccharide component.

ii) stain red or pink after Gram staining.