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Home > Biology > Investigating cells > Cells and diffusion

Biology

Cells and diffusion

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For your biology exam you should be able to

  • say what stains are, and why they are used
  • describe the basic structures of plant and animal cells and the functions of the main structures
  • describe the process of diffusion and state why it is important to both whole organisms and single cells
  • explain osmosis using the terms selectively permeable membrane and concentration gradient
    • give examples of substances that enter and leave cells
    • explain the effects of osmosis on plant and animal cells in terms of the concentration of the solution they are placed in
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Magnified cells

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Video clip exploring plant and animal cells

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Test out your knowledge of biology with Mia Cadaver's biology game - it's serious fun!

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