Key term for Edexcel GCSE Biology, used in Mitosis and Growth.
Protein structures (also called cell fibres) that contract to pull chromatids apart during anaphase.
Spindle fibres appears in Edexcel GCSE Biology revision content for Cells and Control, especially Mitosis and Growth and Division by Mitosis.
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Cells and Control
Mitosis and Growth • Mitosis and the Cell Cycle
