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Jc Aqa Adds 006 B21 2 Prs Plantcells
Jc Aqa Adds 006 B21 2 Prs Plantcells
Jc Aqa Adds 006 B21 2 Prs Plantcells
Jc Aqa Adds 006 B21 2 Prs Plantcells
Jc Aqa Adds 006 B21 2 Prs Plantcells
Jc Aqa Adds 006 B21 2 Prs Plantcells
Jc Aqa Adds 006 B21 2 Prs Plantcells
Jc Aqa Adds 006 B21 2 Prs Plantcells
Jc Aqa Adds 006 B21 2 Prs Plantcells
Jc Aqa Adds 006 B21 2 Prs Plantcells
Jc Aqa Adds 006 B21 2 Prs Plantcells
Jc Aqa Adds 006 B21 2 Prs Plantcells
Jc Aqa Adds 006 B21 2 Prs Plantcells
Jc Aqa Adds 006 B21 2 Prs Plantcells
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Jc Aqa Adds 006 B21 2 Prs Plantcells

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  • 1. Specialised cells Cells may be specialised to carry out a particular function
  • 2. Palisade cells
    • Large surface area.
    • Many tightly packed chloroplasts.
    AQA Science © Nelson Thornes Ltd 2006 
  • 3. Root hair cells
    • Thin membrane.
    • Large surface area.
    AQA Science © Nelson Thornes Ltd 2006 
  • 4. Guard cells
    • Half-circle shape.
    • Found in pairs.
    AQA Science © Nelson Thornes Ltd 2006 
  • 5. Xylem cells
    • Hollow.
    • Form long tubes.
    • Walls contain lignin.
    AQA Science © Nelson Thornes Ltd 2006 
  • 6. Epidermal cells
    • Closely fitting.
    • Thin waxy layer.
    AQA Science © Nelson Thornes Ltd 2006 
  • 7. B2 1 Cells Animal cells – structure and function
  • 8. Fat cells
    • Have little normal cytoplasm.
    • Have few mitochondria.
    • Can expand up to 1000x.
    AQA Science © Nelson Thornes Ltd 2006 
  • 9. Neurones
    • Long and thin.
    • Form connections with other neurones.
    • Can carry electrical impulses in one direction.
    AQA Science © Nelson Thornes Ltd 2006 
  • 10. Red blood cells
    • Large surface area.
    • Small diameter.
    • No nucleus.
    • Contain haemoglobin.
    AQA Science © Nelson Thornes Ltd 2006 
  • 11. Muscle cells
    • Elongated.
    • Contain many mitochondria.
    • Can contract.
    AQA Science © Nelson Thornes Ltd 2006 
  • 12. Sperm cells
    • Large nucleus.
    • Contain digestive enzymes.
    • Many mitochondria.
    • Have long tail.
    AQA Science © Nelson Thornes Ltd 2006 
  • 13. Gland cells
    • Large cells.
    • Lie next to blood capillaries.
    • Able to manufacture and secrete chemicals.
    AQA Science © Nelson Thornes Ltd 2006 
  • 14. Egg cells
    • Large in diameter.
    • Contain stored food.
    • Large nucleus.
    AQA Science © Nelson Thornes Ltd 2006 

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