Biology 9700 · AS & A Level · Replication and division of nuclei and cells

Replication and division of nuclei and cells — practice question

Certain chemicals, which are used to halt tumour growth, function by stopping the DNA double helix from uncoiling and splitting apart. At which stage of the cell cycle would they act?

Aanaphase
Binterphase
Cmetaphase
Dprophase

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