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Life is Cellular
| Term | Definition |
|---|---|
| Cell | Basic unit of all forms of life |
| Cell Theory | fundamental concept of biology that states all living things are composed of cells, cells are the basic units of function and structure in living things, and that new cells are produced from existing cells |
| Cell Membrane | thin, flexible, barrier that surrounds all cells; regulates what enters and leaves the cell |
| Nucleus | in cells, structure that contains the cells genetic material in the form of DNA |
| Eukaryote | Organism whose cell contains a nucleus |
| Prokaryote | unicellular organism that lacks a nucleus |