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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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Complete question is:

Which example of a missense mutation in a protein-encoding gene would most likely be a neutral mutation?

a) Replacement of a polar amino acid with a nonpolar amino acid at the protein's outer surface

b) Replacement of a polar amino acid with another polar amino acid at the protein's surface

c) Replacement of a polar amino acid with another polar amino acid in the protein's interior

d) Replacement of a polar amino acid with a nonpolar amino acid in the protein's interior

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