AIIMS 2001
- Exam
- AIIMS
- Year
- 2001
- Subject
- Botany
- Chapter
- Cell - The Unit of Life
AIIMS 2001 · Botany · Cell - The Unit of Life
Some Gram -ve bacteria have peptidoglycan and an extra layer of
Some Gram -ve bacteria have peptidoglycan and an extra layer of
Options
- Alipo-polysaccharide
- Btechoic acid
- Ccellulose
- Dboth (2) and (3).
Correct answer
A. lipo-polysaccharide
Step-by-step solution
Cell wall is two layered and wavy in Gram (-) bacteria. The wall contains peptidoglycan in the inner layer. The outer layer has lipopolysaccharides, proteins and phospholipids.