Across
- 4. Cell organelle where DNA is located
- 5. Plant cell organelle needed for photosynthesis
- 7. Similar cells combine to build ______
- 10. The cell ______ surrounds all cell types
- 12. Process that uses sunlight to make sugar
- 14. Tissues work together to make an ______
- 15. Feedback loop that reverses a controlled condition
- 16. Organelle responsible for making proteins
- 17. Cells are the smallest unit of ______
Down
- 1. Toothpaste-like fluid inside every cell
- 2. Feedback loop that strengthens a controlled condition
- 3. Process that uses glucose and oxygen to make ATP
- 6. Maintaining internal conditions for survival
- 8. The largest organ of the human body
- 9. Complex cell with a nucleus and organelles
- 11. Organelles that provide the energy for a cell
- 12. Simple cell with no true nucleus
- 13. All of a cell's collective chemical reactions