Across
- 3. the ending result
- 4. causes particles to move from a low concentration to a high
- 5. changes that occur
- 8. cells combined
- 9. molecule with a hydrophilic head and two hydrophobic tails
- 13. the energy needed to start a chemical reaction
- 15. hates water
- 16. likes water
- 17. special protein that makes up the organism's metabolism
- 18. reactant molecules
- 19. atoms combined
- 20. the system organs make up
- 21. the basic unit of life
- 22. the location where the chemical reaction takes place
Down
- 1. tissues combined
- 2. cause particles to move from high concentration to a low concentration
- 6. moving molecules across the membrane using energy with a transport protein
- 7. only certain molecules can leave and enter the cell
- 10. organ systems combined
- 11. the movement of molecules from a close space to space out using energy
- 12. basic unit of life
- 14. molecules combined