Bacteria Morphology
Which of the following is true about cell wall of gram-positive bacteria?

It is thicker than that associated with gram-negative bacteria
It contains teichoic acids
All of these
It consists of multiple layers

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Bacteria Morphology
The next to last step in peptidoglycan biosynthesis is

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

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