Gram-Positive vs Gram-Negative Bacteria- 31 Differences with Examples

Differences Between Gram Positive and Gram Negative Bacteria

  Gram Positive vs Gram Negative Bacteria (31 Major Differences) S.N. Character Gram-Positive Bacteria Gram-Negative Bacteria 1. Gram Reaction Retain crystal violet dye and stain blue or purple on Gram’s staining. Accept safranin after decolorization and stain pink or red on Gram’s staining. 2. Cell wall thickness Thick (20-80 nm) Thin (8-10 nm) 3. Peptidoglycan Layer Thick (multilayered) Thin (single-layered) 4. Rigidity and Elasticity Rigid and less elastic Less rigid and more elastic 5. Outer Membrane Absent Present 6. Variety … Read more