Anatomy & Physiology › Section C · The cellular level › Topic C.5
Cell growth and division
Your body replaces billions of cells every day, from the lining of the gut to the blood. Each replacement comes from a cell that grows, copies its DNA and splits in two under tight control, and cancer begins when that control fails.
In this topic
- Who divides, and why
- The cell cycle
- Chromatids and chromosomes
- Worked example: counting through the cycle
- Prophase and prometaphase
- Metaphase, anaphase and telophase
- Cytokinesis
- Checkpoints and control
- Worked example: timing mitosis from a slide
- When control fails: cancer
- Common mistakes to avoid
- Key takeaways
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