microscopes

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  • microscopes
    • allows scientists to see plant, animal and bacteria cells
    • some sub-cellular structures are even smaller that the resolution that a light microscope can achieve
    • the ability to see two or more objects as separate objects is called resolution
    • in 1933 scientists first used an electron microscope
    • the light microscope was developed in the late 16th century and gave a greater resolution than the human eye
    • an electron microscope passes electrons instead of light this means it can give a much better resolution
    • cell can been seen in finer detail showing structures inside the cell like the mitochondria, chloroplasts and ribosomes
      • an electron microscope passes electrons instead of light this means it can give a much better resolution

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