Biology - cells

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  • Animal and Plant cells
    • Animal cells
      • nucleas - controls activity in the cell
      • Cytoplasm - liquid gel - controls chemical reactions
      • Cell membrane - controls glucose and mineral ions movement around the cell
      • Mitochondira - for respiration
      • Ribosome - makes proteins
    • Plant cells
      • Everything in an animal cell plus
        • Chloroplast - found in green parts of the plant
        • Vacuole - keeps cell sap rigid
        • Cell wall - keeps cell together
    • Eukaryotic cells - complex. Animal and plant cells.
    • Prokaryotic cells - smaller and simpler. Bacteria cells.
    • Cell differentiation - become specialized. Some are undifferentiated cells - stem cells.
      • Sperm cells - reproduction. Long tail and streamlined head to help it swim to the egg.
      • Root hair cells - absorbing water and minerals. Big surface area for absorption.

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