Across
- 1. The smallest functional and strucal unit of all living organisms
- 2. a small body in a cell's cytoplasm that is specialized to perfrom a specific function
- 5. A protective layer that covers a cell's surface and acts as a barries between the inside of a cell and the cell's envrionment
- 6. Any living thing
- 7. An organism made up of cells that contain their DNA in a nucelus
Down
- 1. the region enclosed by the cell
- 3. The DNA contained in a membrane-bound organelle
- 4. A single-celled organism that does not have a nucleus or organelles
