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

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

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Bacteria Morphology
The cell wall of

gram-negative bacteria are thicker than gram-positive bacteria
none of these
both have same thickness but composition is different
gram-positive bacteria are thicker than gram-negative bacteria

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Bacteria Morphology
Porins are located in

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

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