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| a phospholipid layer that covers a cell’s surface and acts as a barrier between the inside of a cell and the cell’s environment |
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| the region of the cell within the membrane that includes the fluid, the cytoskeleton, and all of the organelles except the nucleus |
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| a cell organelle composed of RNA and protein; the site of protein synthesis |
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| a single-celled organism that does not have a nucleus or membrane-bound organelles; examples are archaea and bacteria |
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| an organism made up of cells that have a nucleus enclosed by a membrane, multiple chromosomes, and a mitotic cycle; eukaryotes include protists, animals, plants, and fungi but not archaea or bacteria |
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| in a eukaryotic cell, a membrane-bound organelle that contains the cell’s DNA and that has a role in processes such as growth, metabolism, and reproduction |
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| one of the small bodies that are found in the cytoplasm of a cell and that are specialized to perform a specific function |
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