A-LevelBiologyThe mitotic cell cycle9700/12 · Oct/Nov 2024 · Q191 Mark

The photomicrograph shows cells undergoing mitosis. Which statement describes what will happen next in cell X?

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AChromatin coils up tightly and the nuclear envelope breaks down.

BChromosomes line up along the equator of the cell and attach to the spindle.

CSister chromatids move towards opposite poles, pulled by the spindle fibres.

DSpindle fibres break down and the cell prepares for cytokinesis.

✓ Correct answer

B: Chromosomes line up along the equator of the cell and attach to the spindle.

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Topic: The mitotic cell cycle, A-Level Biology (syllabus 9700). Multiple choice, 1 mark.
Source: A-Level Biology, Oct/Nov 2024 Paper 1 Variant 2, question 19.

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