Bacteria Morphology
Which of the following has peptidoglycan as a major constituent of cell wall?

Gram-negative bacteria
None of these
Gram-positive bacteria
Fungi

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Bacteria Morphology
The next to last step in peptidoglycan biosynthesis is

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

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