Yr 7 Cells

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Author:
Anonymous
ID:
228587
Filename:
Yr 7 Cells
Updated:
2013-07-30 06:08:38
Tags:
Cells biology KS3
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Description:
Building Blocks, Cells, Biology, KS3
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  1. What three parts do both animal cells and plant cells have?
    Nucleus, Cell membrane and cytoplasm
  2. What three parts do only plant cells have?
    Vacuole, Cell wall and chloroplasts
  3. Describe the function of the cell wall.
    Made of a tough substance called cellulose, which supports the cell.
  4. Describe what the nucleus does in a cell
    Controls what happens inside the cell. Carries genetic information.
  5. Describe the function of chloroplasts in a cell
    Where photosynthesis happens – chloroplasts contain a green substance called chlorophyll
  6. Describe the function of the cytoplasm in a cell.
    Jelly-like substance, where chemical reactions happen.
  7. Describe the function of the cell membrane.
    Controls what substances can get into and out of the cell.
  8. Describe the role of the vacuole in a plant cell
    Contains a liquid called cell sap, which keeps the cell firm.
  9. Name this type of specialised cell
    Red Blood Cell
  10. Describe the special features of this cell
    • Large surface area, for oxygen to pass through.
    • Contains haemoglobin, which joins with oxygen
  11. Name this specialised cell
    Male reproductive cell - Sperm Cell
  12. Describe the special features of this cell
    • Long tail for swimming
    • Head for getting into the female cell
  13. Name this type of specialised cell
    A nerve cell
  14. Name this type of specialised cell
    Female reproductive cell (egg cell)
  15. Describe the special features of this cell
    • Large
    • Contains lots of cytoplasm
  16. Describe the special features of this cell
    • Long
    • Connections at each end
    • Can carry electrical signals
  17. Name this specialised cell
    Root hair cell
  18. Describe what makes up tissue.
    A living tissue is made from a group of cells with a similar structure and function, which all work together to do a particular job.
  19. Describe the special features of this cell
    Large surface area to absorb water and minerals
  20. Describe what makes up an organ.
    An organ is made from a group of different tissues, which all work together to do a particular job.

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