Across
- 1. - the center of an atom, which contains the protons and neutrons
- 4. - specialized structure that preforms important cellular functions
- 7. - unicellular organism that lacks a nucleus
- 8. - organism whose cells contain a nucleus
- 9. - thin, flexible barrier that surrounds all cells
- 10. - cell organelle consisting of RNA and protein
Down
- 2. - fundimental concept of biology that states all living things are made of cells
- 3. - organelle in cells that modifies, sorts
- 5. - fluid portion of the cell outside the nucleus
- 6. - basic unit of all forms of life