Differences between Gram positive and Gram negative bacteria

Difference between Gram positive and Gram negative bacteria

S.N Gram positive bacteria Gram negative bacteria 1 They retain the crystal violet stain during gram staining. They do not retain the crystal violet stain during gram staining. 2  Cell wall is simple. Cell wall is complex. 3 They appear blue/purple. They appear pink/red. 4 The thickness of wall is 20-80 nm. Thickness of wall … Read more