Answer:
Gram negative bacteria don't retain purple color as they contain thin cell wall which is composed of peptidoglycans present between inner cytoplasmic cell membrane and bacterial outer membrane.
Explanation:
They contain some characters like-
- The outer membrane is important as it protects them from antibiotics,detergents that damages the peptidoglycans of cell membrane.
- The outer membrane is composed of lipopolysaccharide that secrets lipid A component which causes toxic reaction.
- This toxic reaction creates different health hazards like high fever,increase respiratory rate,low blood pressure etc.
- Braun's lipoprotein present between outer membrane and peptidoglycans by a covalent bond.
Its described as 2n. <span />