Describe the function of flagella in bacteria?

Question: Describe the function of flagella in bacteria?

Flagella are microscopic structures that help bacteria move and sense their environment. They are made of a protein called flagellin and have three parts: a basal body, a hook and a filament. The basal body is attached to the cell membrane and acts as a motor that rotates the flagellum. The hook connects the basal body to the filament, which is a long, helical structure that propels the bacteria through liquid. Flagella can be found at one or both ends of the bacteria, or all over their surface, depending on the type of bacteria. Flagella also play a role in pathogenesis, as they help some bacteria to infect host cells or escape immune responses.

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