Bacteria Morphology
The next to last step in peptidoglycan biosynthesis is

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

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

None of these
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.)
It occurs in the form of a bag shaped macro molecule surrounding the cytoplasm membrane

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Bacteria Morphology
The cell wall of

both have same thickness but composition is different
gram-positive bacteria are thicker than gram-negative bacteria
gram-negative bacteria are thicker than gram-positive bacteria
none of these

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