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| (1665) English scientist who used an earily compound microscope to look at thin slices of cork... 1st tousethe word cell |
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| Dutch scientist who used a single-lens microscope to veiw pond water and other things. Was a lense maker. |
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| (1839) German botanist who fiest concluded that all plants are made up of cells |
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| (1839) German biologist who 1st concluded that all animals are made up of cells.. said all living thing are made of cells |
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| (1855) German physician who concluded that new cells only come from existing cells |
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| Work done by scientist lead to the... |
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1. All living things are made of cells
2. Cells are the basic unit of structure and function in living things
3. New cells are produced from existing cells |
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| follows molecules moving through a cell |
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| Confocal light microscopy |
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| scans cells w/ laser beam used to build 3-D images of cells and cell parts |
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| High-resolution video technology |
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| produces movles of cells as they grow, divide, and develope |
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| (transmission electron microscope) used to study cell stucture and protien molecules |
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| (Scanning electron microscope) scan sufaces of specimens and make 3-D images |
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| scanning probe microscope |
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| trace surface of samples with a fine probe. Great for surfaces; can veiw single atoms |
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| All cells have 2 Characteristics: |
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1. Have a cell membrane
2. Contain DNA |
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| cells that cantian a nucleus and many organelles, ex: Plant and animal cells |
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| cells with no nucleus and few oraganelles, ex: bacterial cells |
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