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| collection of living matter enclosed by a barrier that seperates the cell from its surrounding its also a basic unit of all life |
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| idea of all living things are composed of cells, cells are basic units of structure and function in living things, and new cells are produced from existing cells |
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| thin, flexible barrier around a cell. it regulates what enters and leaves the cell |
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| strong layer around the cell membrene in plants, algae, and some bactiria |
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| small dense region within most nuclei in wich the assembaly of ridosomes begin |
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| matirial inside the cell membrane- but not including the nucleus |
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| single celled organisim that lacks a nucleus |
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| organism whose cells contain nuclei |
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| specialized structure that performs important cellular functions within a eukaryote cell |
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| he observes tiny living organisim in drops of pond water through his simple microscope(1674) |
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| publishes his book micrographia, wich contains his drawings of sections of cork as seen through one of the first microscopes.(1665) |
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