Bacteria Morphology
In which of the following, lipo-polysaccharide is a major constituent of outer membrane of the cellwall?

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

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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
Flagella move the cell by

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

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