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Which of the following proteins is not involved in the initiation of replication?

  • A.DnaA
  • B.SSB (Single strand binding protein)
  • C.DnaB
  • D.DnaF

Answer: D

Correct answer: DnaF

There is no DnaF protein. Initiation at oriC involves DnaA, which recognises the origin and melts the AT-rich repeats; DnaB, the helicase, delivered by DnaC; and the single-strand binding protein, which keeps the opened strands apart.

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