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

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

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Bacteria Morphology
Flagella move the cell by

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

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