Biology › Section E · Cell communication and the cell cycle › Topic E.4
Cell division and the cell cycle
You began as one cell. Trillions of divisions later, that cell became you - and division never stops, rebuilding your blood and skin daily. Here is the genome that gets copied, the packing that makes it manageable, and the choreography of interphase, mitosis, and cytokinesis.
In this topic
- Why cells divide
- Genomes: circular or linear
- Chromosomes, genes, and traits
- Two meters of DNA in a 10-micron cell
- Interphase: the long preparation
- Prophase and prometaphase
- Metaphase, anaphase, telophase
- Cytokinesis: the final split
- Worked example: the drug that jams the spindle
- Worked example: reading a blastula tally
- Common mistakes to avoid
- Key takeaways
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