cells

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  • cells
    • tissues
      • A group of cells
    • animal cells
      • Nulcleus
        • What controls the cell
          • Contains genes on the chromosomes
            • Carry the information need to made new cells/new organisms
      • Cytoplasm
        • Liquid gel that surrounds the vacuole
          • Where all the chemical reactions need for life take place
      • Mitochondria
        • Found in the cytoplasm
          • Structures where oxygen is used and energy is released
            • This happens during respiration
      • Cell membrane
        • Controls  the passage of substances
          • Controls the substances that go in and out of the cell
      • Ribosomes
        • PROTEIN SYNTHESIS takes place
          • All proteins that are needed are made here
      • Organelles
    • plant cells
      • cell wall
        • Keeps the cello rigid and gives it support
      • Chloroplasts
        • Green because they have chlorophyll in them
      • Chlorophyll
        • Absorb light energy to make food for the plant via photosynthesis
          • Usually found in the leaves
      • Permanent vacuole
        • Is filled with sap to keep the plant rigid
      • Cell membrane
      • Mitochondria
      • ribosomes
      • Cytoplasm
      • Nucleus
    • Specialised cells
      • Cells that are adapted to a specific job
        • Root hair cell
          • Has an extra large vacuole
            • More osmosis can take place
          • Has a root hair on it
          • Has no chloroplasts or chlorophyll
        • Sperm cell
          • Have a middle section filled with mitochondria
            • So that the sperm has  energy to power the tail-has a long way to the egg
          • Massive nucleus to hold all the genetic information for the egg
          • Acrosome-digestive enzymes and the top of the head- burrow through the outer layer of the egg
        • Fat cell
          • Has a large centre where all the fat is stored
        • Red blood cell
          • Concave so it increases surface area
            • Untitled

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