| 21. | It is rod-shaped and motile by a polar to subpolar flagellum.
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| 22. | Its cells are motile and possess one subterminal sheathed flagellum at each end.
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| 23. | Its cells are motile, curved rods and have a single polar flagellum.
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| 24. | It is coccus-shaped and is motile by means of a flagellum.
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| 25. | It is motile by means a single polar flagellum.
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| 26. | Others suggest the flagellum came about from cell structures that developed for other reasons.
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| 27. | I need as many sperms with as many powerful flagellum out there as possible.
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| 28. | The tail or " flagellum " executes the lashing movements that propel the spermatocyte.
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| 29. | Flagellum has ca . 1 / 5 the total length of the penial complex.
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| 30. | The flagellum is yellowish brown ringed with brown.
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