What is the diffrence between gram-positive and gram-
negative bacteria?
Answer Posted / sonali
Gram +ve bacteria Gram -ve bacteria
1)Presence of thick peptido- 1) presence of thin peptido-
glycan layer(80nn) glycan layer (2nm)
2)Techoic acid present. 2) Techoic acid absent.
3)Outer membrane absent. 3) outer membrane present.
4)Porin proteins absent. 4) porin proteins present.
5)lipoprotiens absent. 5) lipoproteins present.
6)Eg- Bacillus, Clostridium. 6) eg- salmonella, E.coli
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