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Cell Division and Differentiation — OCR GCSE Combined Science B J260
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Combined Science
OCR GCSE Combined Science B
Food and Growth Control
Organism Growth and Development
Cell Division and Differentiation
OCR GCSE Combined Science B · J260
Cell Division and Differentiation
What you need to know
Describe the role of the cell cycle in organism growth, focusing on interphase and mitosis.
Describe the procedure for using a light microscope to observe the stages of mitosis.
Describe cancer as the consequence of cellular changes resulting in uncontrolled growth and division.
Explain the function of meiotic cell division in halving the chromosome number to produce gametes, including interphase and the two meiotic divisions.
Describe the function of stem cells in embryonic and adult animals, as well as meristems in plants.
Explain the significance of cell differentiation, where cells specialise by turning genes on and off to form specific tissues.
Revision notes
1
The Cell Cycle, Mitosis and Cancer
8 key terms
2
Meiosis and Gamete Formation
8 key terms
3
Stem Cells, Meristems and Differentiation
Practise with past papers
Key terms & definitions
Previous topic: Microscopy and Cell Structures
Electron Microscopy Applications
Next topic: Stem Cells in Medicine
Ethics of Stem Cell Use
6 key terms