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difference between cell wall of gram positive and gram negative bacteria

 

Difference between of cell wall of Gram Positive and gram Negative bacteria

 

Character           gram positive         Gram negative

1. Thickness        Thicker                    Thinner

2. Periplasmic space  Absent          Present

3. Lipids.               Absent or small   Present

4. Teichoic acid    Present.               Absent

5. Peptidoglycan   16-80nm thick multilayer.  2nm thin, single layer

6. Staining               Gram positive cells stain purple during gram staining. Gram negative cells stain pink during gram staining.

7. Outer membrane.      Absent                        Present

8. Periplasmic space.      Absent.                   Present

9. Resistance against antibiotics.   Less resistance to antibiotics.      More resistance to antibiotics.

10. Cell wall         Cell wall is smooth        Cell wall is wavy.

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