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8 Cards in this Set
- Front
- Back
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What is the cell theory? |
All living things are made up of cells and come from pre existing cells the cell is the structural and functional version of life. |
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What are the 3 types of lenses in light microscopes? |
Ocular: enlarges primary images formed by objective lens. Objective: closes to specimens and forms primary image. Condenser: focuses light rays through specimen. |
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What is shown by light microscope? |
Shows cell and its interior and can observe living cell features highlighted by staining. |
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What is magnification and light used in light microscopes? |
Uses light 400-750nm X1000 magnification |
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What are light microscope not good for? |
Not good for non photosynthetic organisms, unstained cells, cells suspension or tissue section. |
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From the incoming electron beam to the viewing screen/photographic film what are the lenses in a electron microscope? |
Condenser lens Specimen Objective lens Intermediate lens Projector lens |
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How does a electron microscope work? |
Uses electron beam instead of light and focused using magnets. |
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What is the resolution and magnifcation of electron microscope? |
0.5nm Res and x500000 magnification |
