Question

what's the difference between bacteria flagella, fimbria and pili?

what's the difference between bacteria flagella, fimbria and pili?

Homework Answers

Answer #1
FLAGELLA FIMBRIA PILI
Long whip-like filamentous structures. Bristle like short fibres. Long hair like tubular microfibre like structures.
Longer and thicker than fimbria and pili. Shorter than pili and flagella. Longer than fimbria and shorter than flagella.
Approx 15-20 micrometre in length Approx 0.03 to 0.14 micrometre in length. Approx 0.5 to 2 micrometre in length.
Present in both gram positive and gram negative bacteria. Present in both gram positive and gram negative bacteria. Present only in gram negative bacteria
Flagella are distributed lateraly,polarily or throughout the surface Evenly distributed on entire cell surface. Randomly distributed on cell surface.
Eg.E.coli,Helicobacter pylori Eg.Salmonella typhyrium,Shigella dysenteria Eg.Neisseria gonorrhoeae,Pseudomonas
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