which two structures play direct roles in permitting bacteria to adhere to each other, or to othei 21) surfaces?

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19-12-2022
Biology

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which two structures play direct roles in permitting bacteria to adhere to each other, or to othei 21) surfaces?

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qwcherry qwcherry · Answer 1 · 2022-12-21T11:57:27-05:00

The two structures that play direct roles in permitting bacteria to adhere to each other, or to other surfaces are capsules and fimbriae.

The bacteria are single-celled prokaryotic organisms. They are free-living and may be harmful or helpful to humans. The basic structure of bacteria contains the cell wall, flagella, cytoplasm, cell membrane, ribosomes, plasmid DNA, nucleoid, capsule, pili, and fimbriae.

The virulence of pathogenic bacteria is linked to a loose gel surrounding the bacteria called capsules. This structure protects the bacteria from the host immune system and from other environmental factor. This also helps them to adhere to the surfaces.

Long filamentous polymeric protein structures called fimbriae are found at the surface of bacterial cells. They allow the bacteria to attach to particular receptor structures and subsequently colonize particular surfaces.

Therefore, the correct options are options 1 and 3.

The complete question -

Which two structures play direct roles in permitting bacteria to adhere to each other, or to other surfaces? 1. capsules 2. endospores 3. fimbriae 4. plasmids 5. flagella

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