A-LevelBiologyThe mitotic cell cycle9700/12 · May/June 2012 · Q181 Mark

The diagram shows the cell cycle. [Figure 18.1] When radioactive nucleotides are supplied to dividing cells, at which point will they be incorporated into the chromosomes?

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APoint A (S phase of interphase)

BPoint B (Prophase/Metaphase of mitosis)

CPoint C (Metaphase/Anaphase of mitosis)

DPoint D (Anaphase/Telophase of mitosis)

✓ Correct answer

A: Point A (S phase of interphase)

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Topic: The mitotic cell cycle, A-Level Biology (syllabus 9700). Multiple choice, 1 mark.
Source: A-Level Biology, May/June 2012 Paper 1 Variant 2, question 18.

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