Answer: The answer is peptidoglycan
Explanation:
Peptidoglycan is a major component of bacteria walls. It consists of parallel heteropolysaccharides (different units of polysaccharides) cross-linked by short peptides.
- it majorly plays protective function in bacteria, thus it is also a site of attack for antibiotics.
- Lipopolysaccharides is also known as Peptidoglycan.