Across
- 2. site of photosynthesis; converts sunlight to food
- 4. a cell without membrane-bound organelles
- 7. theory that shows evidence that complex eukaryotic cells evolved from simple prokaryotic cells
- 9. the sum of all side areas
- 11. the amount of space an object takes up
- 14. respiration that does not use oxygen to create ATP
- 15. specialized parts of a cell that perform a specific function
- 19. outer most layer of an animal cell that provides a protective barrier
- 20. jelly-like substance that fills the cell
Down
- 1. "Powerhouse of the cell"
- 3. respiration that uses oxygen to create ATP
- 5. synthesizes proteins
- 6. process in chloroplasts that converts sunlight into glucose
- 8. outer most layer of a plant cell; provides extra structure to the cell
- 10. smallest unit of life
- 12. endoplasmic reticulum without ribosomes attached to the outside; packages waste and nutrients
- 13. holds DNA and stores genetic information
- 16. endoplasmic reticulum with ribosomes attached to the outside; packages proteins
- 17. a cell with membrane-bound organelles
- 18. exchange of gases
