Across
- 2. carbon compounds needed for cell growth and repair
- 5. green structures found in many cells of leaves and stems of plants
- 6. a long strand in the nucleus that stores direction for cell activities
- 10. membrane a cell's outer covering
- 11. rod-like structure that supplies the cell with energy
- 13. things that make up the human body
- 15. substances that join together elements
- 16. carbon compounds that store and release energy
Down
- 1. dioxide a compound that your cells produce
- 3. system for carrying water
- 4. one-celled organisms
- 5. supply energy for cell activities
- 7. organisms a living thing that is made up of only one cell
- 8. the largest, most valuable part of a cell
- 9. a gel-like substance which surrounds a cell's nucleus
- 12. wall a stiff covering outside of the cell membrane
- 14. a sac-like in a cells cytoplasm for storing food or waste