When observing flagella distribution patterns, bacteria with a single flagellum at each pole are called bacteria?

Flagella are organs used to propel the cell in a liquid environment. According to the flagella distribution patterns, bacteria with a single flagellum at each pole are called _amphitrichous bacteria.

What is flagellum?

The Flagellum is an organ used by bacteria and some eukaryotic cells to propel in a liquid environment. It is a motility organ.

The number and size of flagella in a cell vary according to the species.

All of them have the same motion function.

What structures compose the flagellum?

Flagella are basically composed of three main parts,

the basal body helical filament the hookBacteria classification

According to the number and distribution pattern of flagella in the cell, bacteria can be  classified into the following groups,

monotrichous ⇒  1 flagellumamphitrichous ⇒  1 flagellum at each extreme of the celllophotrichous  ⇒  severa flagella over the cellperitrichous  ⇒  several flagella distributed over the cell excepting the poles.

Bacteria with a single flagellum at each pole are called _amphitrichous bacteria.

You can learn more about flagella at

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