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Katyanochek1 [597]
4 years ago
7

Are surface appendages that allow a bacterium to stick to a surface.

Biology
1 answer:
marshall27 [118]4 years ago
4 0

Answer:

Fimbriae

Explanation:

Fimbriae are hair-like structures made up of proteins, that surround the outer surface of a bacterium. It helps them stick to the surfaces, tissues, and even other cells. The term fimbriae is often interchanged with pilli but pilli are longer. They are found in both gram negative and gram positive bacteria.

Attached is a picture of a bacterium.

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Explanation:

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In the case of analogous structures, the structures are not the same, and were not inherited from the same ancestor. But they look similar and serve a similar purpose.

For example, the wings of an insect, bird, and bat would all be analogous structures: they all evolved to allow flight, but they did not evolve at the same time, since insects, birds, and mammals all evolved the ability to fly at different times.

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