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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