Bacteria Morphology
Gram positive cells have a

periplasmic space that traps the crystal violet
second outer membrane that helps to retain the crystal violet stain
thick capsule that traps the crystal violet stain
multiple layer of peptidoglycan that helps to retain the crystal violet stain

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Bacteria Morphology
The next to last step in peptidoglycan biosynthesis is

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

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

None of these
It is a polymer consisting of N-acetyl glucosamine, N-acetyl muramic acid and amino acids (alanine, lysine, etc.)
It is present in prokaryotic cell wall
It occurs in the form of a bag shaped macro molecule surrounding the cytoplasm membrane

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