Bacterial cells are encased by a strong cell wall of peptidoglycan. Which of the following accurately describes peptidoglycan? O Protein matrix cross-linked by lipid units Lipid matrix cross-linked by short polypeptide units Polypeptide units cross-linked by a carbohydrate matrix Carbohydrate matrix cross-linked by short polypeptide units
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Step 1: Peptidoglycan is a polymer consisting of sugars and amino acids that forms a mesh-like layer outside the plasma membrane of most bacteria, forming the cell wall. Show more…
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