Seeing Cells and Cell Components

Plant, animal and bacterial cells and their functions.

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  • Seeing Cells and Cell Components
    • Microscopes
      • Light microscope
        • a beam of light is passed through the cell to see it
      • Electron microscope
        • a beam of electrons through the cell
          • more detail can be seen
    • Cell Components
      • Animal cell
        • Cytoplasm
        • Cell membrane
        • Nucleus
        • Mitochondria
      • Plant cell
        • Mitochondria
        • Nucleus
        • Cytoplasm
        • Cell membrane
        • Cell wall
        • Vacuole
        • Chloroplasts
      • Bacteria Cell
        • chromosomal DNA
          • a single loop that lies fee in the cytoplasm
            • carries most of the bacterial genes
        • plasmid DNA
          • two extra circles of DNA
            • contain additional genes that aren't found in chromosomes
        • flagellum
          • for movement
        • cell wall
          • protection
          • made out of different substances to plant cell walls
        • cell membrane
    • Component Functions
      • Cytoplasm
        • chemical reactions
      • Cell membrane
        • controls movement of chemicals in and out of cell
      • Nucleus
        • contains chromosomes (DNA)
      • Mitochondria
        • sugars broken down, releasing energy
        • respiration
      • Cell wall
        • made of cellulose to strengthen cell
      • Vacuole
        • keeps cell turgid
      • Chloroplasts
        • contains chlorophyll
          • used In photosyntheis

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