click below
click below
Normal Size Small Size show me how
Diversity of Cells
Cells 1-1
Term | Definition |
---|---|
Cell | "little rooms" the smallest unit that can perform all life processes; cells are covered by a membrane and have DNA and cytoplasm |
cell membrane | covers a cell's surface; acts as a barrier between the inside of a cell and the cell's environment |
organelle | "little organ" one of the small bodies in a cell's cytoplasm that are specialized to perform a specific function |
nucleus | a membrane-bound organelle that contains the cell's DNA |
prokaryote | an organism that consists of a single cell that does not have a nucleus |
eukaryote | an organism made up of cells that have a nucleus |
Cell Theory | All organisms are made of one or more cells. The cell is the basic unit of all living things. All cells come from existing cells. |