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    Molecular Cell Biology
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    Exam 18: Regulating the Eukaryotic Cell Cycle
  5. Question
    DNA Replication at Each Origin Occurs Only Once During the Cell
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DNA Replication at Each Origin Occurs Only Once During the Cell

Question 26

Question 26

Multiple Choice

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


A) specificity of the origin-recognition complex (ORC) .
B) S phase Cdk phosphorylating MCM helicase.
C) MCM helicase loading by M phase cyclins.
D) G1 cyclin/cdk activation of E2F.

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