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5 Cards in this Set
- Front
- Back
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Light microscope
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-can magnify only about 1000 times
-glass lense bends light to magnify image |
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Cell Theory
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all living things are composed of cells and that all cells come from other cells
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Electron Microscope (EM)
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-uses beam of electrons rather than light
-can see things at one nanometer (1000000 times) -2 types of EM's (scanning+transmission) -electromagnet lense |
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Scanning Electron Microscope (SEM)
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-used to sudy detailed architecture of cell surfaces
-cover cell with metal so electrons can't go through cell but metal emits electrons that are focused to show an image of the outside of the cells. -electromagnet lense |
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Transmission Electron Microscope (TEM)
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-cut specimin into thin sections
- aim electron beam through section - electromagnet lense- bends electron beam to focus image |
