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5 Cards in this Set
- Front
- Back
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receptor
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a specific protein to whose shape fits a specific molecular messenger
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mitochondrion
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cell organelle that converts chemical energy stored in food into compounds that are more convenient for the cell to use
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diffusion
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process by which particles tend to move from an area where they are more concentrated to an area where they are less concentrated
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cell theory
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fundamental concept of biology states that all living things are composed of cells; that cells are the basic units of structure and function in living things; and that new cells are produced from existing cells
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cell membrane
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thin, flexible barrier that surrounds all cells; regulates what enters and leaves the cell
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