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The arrangement, in which flagella are distributed all round the bacterial cell, is known as

  • A.lophotrichous
  • B.amphitrichous
  • C.peritrichous
  • D.monotrichous

Answer: C

Correct answer: peritrichous

Peritrichous means flagella distributed over the whole surface - the arrangement in E. coli and Salmonella. When they all turn counter-clockwise they gather into a single bundle that drives a straight run; when one reverses, the bundle flies apart and the cell tumbles.

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