How many pili are in a bacterial cell

Bacterial species where observedTypical number on cellDistribution on cell surface

Escherichia coli (common pili or Type 1 fimbriae)100-200uniform

Neisseria gonorrhoeae100-200uniform

Streptococcus pyogenes (fimbriae plus the M-protein)?uniform

Pseudomonas aeruginosa10-20polar

Explanation:

Pili are structures that extend from the surface of some bacterial cells.

These are hollow, non-helical, filamentous appendages.

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it would be d. henry moseley

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