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The organ of locomotion of bacteria is

  • A.capsule
  • B.flagella
  • C.slime
  • D.fimbriae

Answer: B

Correct answer: flagella

Flagella are the organelles of motility: a rotary motor in the membrane, driven by the proton-motive force, spins the helical filament like a propeller. Fimbriae are for attachment, and capsules and slime layers for protection.

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