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| the smallest unit that can per form all life processes |
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| all things are made up of one or more cells |
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| the cell's outer boundary |
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| an amtom's central reagion |
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| one of the small bodies that are found in the cytoplasm of a cell |
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| the region of the cell within the membrane that includes the fluid |
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| the soluble portion of the cytoplasm |
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| a single-celled organism that has no nucleus |
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| an oranism made up of cells that have a nucleus enclosed by a membrane |
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| a collection of specialized cells |
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| a collection of tissues that carry out a ssecialized function of the body |
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| a dubble layer of phospholipids that makes up plasma |
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| the dubble membrane that surrounds the nucleus of a eukaryotic cell |
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| the part of the eukaryotic nucleus where ribosomal RNA is synthesized |
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| a cell organelle composed of RNA |
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| a system of membranes that is found in a cell's cytoplasm |
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| cell organelle that helps make and package materials to be transpoted out of the cell |
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| a cell organelle that contains digestive enzymes and that buds from the Golgi apparatus |
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| the cytoplasmic network of protein filaments that plays an essential role in cell movement, shape, and division |
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| one of the small, tubular fibers composed of the protein tubulin that are found in the cytoplasm of eukaryotic cells, that compose the cytoskeleton, and that play a role in cell structure and movement |
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| a fiber found inside eukaryotic cells that is composed mainly of the protein actin and that has a role in cell structure and movement |
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| a hairlike structure arranged in tightly packed rows that projects from the surface of some cells |
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| a long, hairlike structure that grows out of a cell and enables the cell to move |
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| an organelle that is active during mitosis |
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