Murein cell-wall is composed of:
Correct answer: D. Peptidoglycan
- A. Sugar and amino acids
- B. Calcium pectate
- C. Glycoprotein
- D. Peptidoglycan
Explanation
Bacterial cell walls are made of peptidoglycan, also called as murein, which is made from polysaccharide chains cross-linked by unusual peptides containing D-amino acids.
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