Bacteria Morphology
The last step in synthesis of peptidoglycan is

attachment of a portion of peptidoglycan to a membrane lipid
attachment of a peptide to muramic acid
binding of penicillin to a membrane protein
attaching two amino acids to form a cross-link

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Bacteria Morphology
Which of the following is not true about peptidoglycan?

It is present in prokaryotic cell wall
It is a polymer consisting of N-acetyl glucosamine, N-acetyl muramic acid and amino acids (alanine, lysine, etc.)
None of these
It occurs in the form of a bag shaped macro molecule surrounding the cytoplasm membrane

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