Basic cell facts

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  • Created by: Jessica
  • Created on: 27-03-14 23:19
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  • Some basic cell facts
    • A cell is the basic unit of life, from which larger structures such as tissue and organs are made
    • Unicellular organisms, such as bacteria, consist of just a single cell
    • Multicellular organisms consist of many cells - humans are made from an estimated 50 trillion cells
      • Unicellular organisms, such as bacteria, consist of just a single cell
    • All cells have certain common features and structures called organelles
    • Basic animal cell (eg. human cheek cell)
      • Cytoplasm
        • Cytoplasm - "jelly like" - reaction centre - where reactions happen
      • Cell membrane
      • Nucleus
      • Mitochonarion (respiration - make energy)
    • Basic plant cell
      • Cell membrane
        • Cell membrane - Controls what enters/ leaves cell (oxygen/ glucose in) (carbon dioxide out) - barrier
          • Cell membrane
      • Vacuole
        • Vacuole - store of salts and sugars
      • Nucleus
        • Nucleus - control cell activities - contains DNA
          • Nucleus
      • Chloroplasts
      • Cell wall
        • Cell wall - strength
      • Cytoplasm
        • Cytoplasm - "jelly like" - reaction centre - where reactions happen
      • Mitochondrion
    • Three basic parts - nucleus, cytoplasm, cell membrane
    • Different functions - specialized
      • Different shapes and sizes

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