Microscopes and Cell Theory Concepts

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cell

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smallest unit of life

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cell theory

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the theory that states that all living things are made of one or more cells, the cell is the smallest unit of life, and all new cells come from preexisting cells

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Light Microscope

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use light and lenses to enlarge an image of an object.

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Electron Microscope

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use a magnetic field to cocus a beam of elctrons through an onbject or onto an object's surface

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Unicellular organisms

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Living things that are made of only one cell

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homeostasis

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the ability to maintain steady internal conditions when outside conditions change

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prokaryotic cells

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cells that do not have a nucleus or other membrane-bound organelles

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Eukaryotic

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a cell that has a nucleus and other membrane-bound organelles

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organelles

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membrane-surrounded component of a eudaryotic cell with a specialized function