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What is a mode of replication in E.coli?

  • A.Intermediate
  • B.Dispersive
  • C.Conservative
  • D.Semiconservative

Answer: D

Correct answer: Semiconservative

E. coli replicates semi-conservatively: each daughter chromosome carries one parental strand and one new one. This is the organism in which Meselson and Stahl established it, by following the density of 15N-labelled DNA through successive generations in 14N medium.

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