Bacterial cell wall is composed of all except?
Ans. is 'b' i.e., Teichoic acid . Chemically,cell wall is composed of mucopeptide (peptidoglycan or murein ) scaffolding formed by N acetyl glucosamine and N acetyl muramic acid molecules alternating in chains, which are cross linked by peptide chains. Note- option 'b' is also paially correct as teichoic acid is present in the cell wall of gram positive bacteria but not in gram negative bacteria.
Muramic acid
Teichoic acid
Glucosamine
Mucopeptide