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Cells Vocabulary
| Term | Definition |
|---|---|
| Cell Theory | A major theory of life science: the cell is the basic unit of life; organisms are made up of one or more cells; and all cells come from other cells. |
| Cell Membrane | The selectively permeable outer boundary of a cell that allows food and oxygen into the cell and wastes to leave it. |
| Nucleus | The structure inside a cell that directs the cell activities, contains chromatin, and chromosomes in a dividing cells. |