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| the most basic unit of life |
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| group of cells that work together to perform a similar function |
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| group of different types of tissues that work together to perform a specific function or related functions |
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| two or more organs that work in a coordinated way to carry out similar functions |
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| any individual living thing |
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| cell that has a nucleus and other membrane-bound organelles |
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| cell that does not have a nucleus or other membrane-bound organelles |
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| organelle made up of a double membrane that acts as the storehouse for most of a cell's DNA |
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| organelle that contains enzymes |
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| organelle that is used to store materials, such as water, food, or enzymes, that are needed by the cell |
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| short hairlike structures that cover some or all of the cells surface and help the organism swim and capture food |
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| Cell membrane (lipid bilayer) |
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Definition
| double-layer of phospholipids that form a boundary between a cell and the surrounding enviornment and controls the movement of substances into and out of a cell |
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| the double membrane surrounding the nucleus within a cell |
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| rigid structure that gives protection, support, and shape to cells in plants, algae, fungi and bacteria |
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| stack of flat, membrane-enclosed spaces containing enzymes that process, sort and deliver proteins |
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| interconnected network of thin, folded membranes that produce, process, and distribute proteins |
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| process by which committed cells aquire the structures and functions of highly specialized cells |
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Definition
| bean-shaped organelle that supplies energy to the cell and has its own ribosomes and DNA |
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| organelle made up of numerous membranes that are used to convert solar energy into chemical energy; contains chlorophyll |
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| organelle that links amino acids together to form proteins |
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Definition
| whiplike structure outside of a cell that is used for movement |
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| jellylike substance inside cells that contains molecules and, in some cells, organelles |
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| structures that are specialized to perform a distinct process within a cell |
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