cells
Across
- 3. Area of the nucleus where ribosomes are formed
- 8. Organelles that convert the radiant energy of light into chemical engery
- 10. Structures found within cells that perform specific functions
- 11. Organisms composed of prokaryotic cells
- 13. Cells that lack a nucleus
- 15. Separates the contents of the cell from the external environment
Down
- 1. External nonliving structure that gives some cells support
- 2. Cells that have a well defined nucleus and many membrane-bound organelles
- 4. The basic units of which all living things are composed
- 5. Organisms composed of eukaryotic cells
- 6. Structures composed of DNA and protein that contain an organisms genes
- 7. Organelle that contains the cells genetic material
- 9. Membrane-bound structures that may contain food,wastes,gas or, water
- 12. carries amino acids to ribosomes so that htey can be incorporated into protien
- 14. a nucleic acid found in organelles known as ribosomes