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Science Unit 3 Flash Cards - Cell

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Term
Definition
Ribosomes   Building site for the proteins of the cell  
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Cell Membrane   Thin membrane that surrounds the cytoplasm of a cell; regulates the passage of materials in and out of the cell.  
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Rough ER   Clear tubular passageways studded with ribsomes; for transportation of materials through the cell  
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Vacuole   Stores water and food in both plant and animal cells (larger in plants)  
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Structures   How the parts are put together  
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Centrioles   Tube-like structures that exists in pairs in animal cells; guides the chromosomes during cell division  
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Nucleus   Found in eukaryotic cells; contains genetic material (DNA) responsible for controlling the activities of the cell  
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Mitochondria   Functions in energy production; the powerhouse of the cell  
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Lysosomes   Holds waste materials from the cell; breaks down food, worn out pieces of cells and other waste. Generally found in animal cells  
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Flagellum   Long whip-like structure that allows a cell to move  
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Smooth ER   Clear tubular passageways (free of ribosomes); for transportation of materials throughout the cell  
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Golgi Body   Stores, packages, and ships cellular materials  
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Cell Wall   Surrounds the cell membrane of a plant cell to give structure and protection to the cell  
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Cell Theory   Cells are the basic unit of all living things, all living things are composed of one or more cells, all cells come from pre-exisiting cells  
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Chloroplast   Green organelle in plant cells that converts light energy into chemical energy  
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Chromosomes   Found in the nucleus and made of DNA, these contain genetic information of the cell  
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Cilia   Hair-like structures that extend from the surface of the cell to help with movement  
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Cytoplasm   Jelly-like material that fills the cell; and in eukaryotic cells, surrounds the nucleus  
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Created by: renaetelford
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