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

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

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Bacteria Morphology
Porins are located in

the outer membrane of gram-negative bacteria
the cytoplasmic membrane of both gram-negative and gram-positive bacteria
the periplasmic space of gram-negative bacteria
the peptidoglycan layer of gram-positive 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
synthesis of the NAM-peptide subunit
removal of the subunit from bactoprenol
cross-linking the peptide side chains of peptidoglycan

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