Bacteria Morphology
Which is most likely to be exposed on the surface of a gram-negative bacterium?

Protein involved in energy generation
Phospholipids
Lipoteichoic acid
Pore protein (porin)

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Bacteria Morphology
Gram positive cells have a

multiple layer of peptidoglycan that helps to retain the crystal violet stain
thick capsule that traps 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
Flagella move the cell by

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

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