Bacteria Morphology
The cell wall of

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

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Bacteria Morphology
The next to last step in peptidoglycan biosynthesis is

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

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