Bacteria Morphology
Teichoic acids are typically found in

cell walls of gram positive bacteria
cell walls of gram negative bacteria
outer membranes of gram positive bacteria
outer membranes of gram negative bacteria

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Bacteria Morphology
The next to last step in peptidoglycan biosynthesis is

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

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