Bacteria Morphology
Which of the following has peptidoglycan as a major constituent of cell wall?

Gram-positive bacteria
None of these
Gram-negative bacteria
Fungi

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

It is present in prokaryotic cell wall
None of these
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

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Bacteria Morphology
Periplasm is

the interior portion of mitochondria
the area between the inner and outer membranes of gram-negative bacteria
the area outside the cell membrane that is influenced by the polymers
the area between the inner and outer membranes of Gram-positive bacteria

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Bacteria Morphology
Flagella move the cell by

an individual flagellum beating in a whip-like motion
attaching to nearby particles and contracting
spinning like a propeller
many flagella beating in a synchronous, whip-like motion

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