Bacteria Morphology
Teichoic acids are typically found in

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

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Bacteria Morphology
Porins are located in

the periplasmic space of gram-negative bacteria
the peptidoglycan layer of gram-positive bacteria
the outer membrane of gram-negative bacteria
the cytoplasmic membrane of both gram-negative and gram-positive bacteria

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

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

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