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#Question id: 2944


DNA replication at each origin occurs only once during the cell cycle because of:

#Unit 2. Cellular Organization
  1. specificity of the origin-recognition complex (ORC).

  2. S phase Cdk phosphorylating MCM helicase.

  3. MCM helicase loading by M phase cyclins.

  4. G1 cyclin/cdk activation of E2F.


Answer:- Option(s): 2


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