Bacteria Morphology
Gram positive cells have a

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

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

It occurs in the form of a bag shaped macro molecule surrounding the cytoplasm membrane
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

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Bacteria Morphology
Porins are located in

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

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