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

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

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Bacteria Morphology
The next to last step in peptidoglycan biosynthesis is

synthesis of the NAM-peptide subunit
linking the sugar of the disaccharide-peptide unit to the growing peptidoglycan chain
removal of the subunit from bactoprenol
cross-linking the peptide side chains of peptidoglycan

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