They have a whiplike structure called a flagellum.
它们有像鞭子一样鞭毛结构。
BIOLOGY: Certain bacteria propel themselves using a flagellum, a whiplike tail.
生物学：有些细菌会以鞭毛(像鞭子一样的尾巴)驱动自己前进。
Flagellum (pl. flagella) A whiplike extension of prokaryote cells, with a basal body at its base, whose beat causes locomotion of the cell.
原核细胞的鞭状延长部分，基部有基体，当鞭毛进行挥鞭式运动时可以促使细胞移动。
Flagellum (pl. flagella) A whiplike extension of prokaryote cells, with a basal body at its base, whose beat causes locomotion of the cell.
原核细胞的鞭状延长部分，基部有基体，当鞭毛进行挥鞭式运动时可以促使细胞移动。
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