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| the structural and functional unit of life |
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| all the living substances in a cell |
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- the cell is the basic unit of all living things
- cells preform all the functions of living things
- cells come from the reproduction of existing cells
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| organisms composed of just one cell |
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| a collection of similar cells living together, and except for certain specialized reproductive cells, any of the cells could carry ont the processes of the organism if they were separated from the colony |
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| group of similar cells that work together to carry outa special function |
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| several types of tissues working together to preform a specific function |
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| a grooup of organs that work together to accomplish life functions |
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| the chemical interactions between these protiens form the connections between the cells |
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| tiny passageways that connect the cytoplasm of plant cells |
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| have a membrane-bound nucleous and other specialized stuctures, called organelles, in the cytoplasm |
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| a cytoplamic structure that preforms special functions in the cell |
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| lacks a cell membrane around the nucleous and contains only non-membrane-bound organelles |
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| the outermost boundary of the cell itself |
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| a model describing cellular membranes as being composed of a lipid bilayar with protiens scattered throughout the membrane |
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| rigid or nearly rigid structure that is located on the outside of the plasma membrane |
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| a cellular secretion surrounding certain algea and bacteria |
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| all of the structures and materials inside the plasma membrane, excluding the nucleus |
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| the colloid portion of the cytoplasm |
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| membrane-bound cellular organelles responsible for the respiration of foods to release usable energy |
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| folds of the inner membrane of the mitochondria;contain enzymes necessary for cellular respiration |
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| a non-membrane-bound organelle found in both prokaryotic and eukaryotic cells |
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| a system of interconnected folded membranes inside the cell |
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| flattened, curved, membrane-covered sacs |
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| small irregularly shaped membrane-bound organelles filled with digestive enzymes |
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| microscopic system of fibers |
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| an area near the nucleus of a cell thqat functions in the production of microtubules |
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| a long tubular extension of the plasme membrane surrounding a special arrangement of microtubules |
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| an internal organization similar to that of a flagella but are shorter ad more numerous |
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| the body of a flagellum or cilia |
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| the thickest of the cytoskeleton components and are very important in the organization of the cell, in cell division, and in cellular movement |
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| an organelle composed of microtubulesand located near the nucleus; doubles before cell division to establish the poles |
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| form throughout the cytoplasm and the nucleus |
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| the thinnests of the cytoskeleton filiments |
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| found in cells of plants, algea, and a few other organisms, but not in humans of animals |
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| a green organelle in which light energy is converted into organic compounds |
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| a complex system of flattened sacs |
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| the thyakoids are arrangeinto sacs |
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| a membrane-bound organelle that contains food |
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| membrade-bound organelles tahat are like vacuoles but usually smaller and more mobile |
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| water pressure in the central vacuole |
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| the control center of the cell |
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| a double membrane that completely surrounds the nucleus |
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