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| in biology, the smallest unit that can preform all of lifes processes; cells are covered by a membrane and contain DNA and cytoplasm |
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| a phospholipid layer that covers a cell's surface and acts as a barrier between the inside of the cell and the cell's environment |
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| one of the small bodies in a cells cytoplasm that are specialized to preform a specific function |
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| in a eukaryotic cell, a membrane-bound organelle that contains the cell's DNA and that has a role in process such as growth, metabolism, and reproduction |
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| an organism that consists of a single cell that does not have a nucleus |
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| an organism made up of cells that have a nucleus enclosed by a membrane; eukaryotes include animals, plants, and fungi but not archaebacteria or eubacteria |
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