Across
- 1. movement of molecules from a region of low concentration to a high
- 7. large complex molecules
- 8. the basic unit of life
- 9. a small structure in a cell
- 11. the basic unit of a chemical element
- 13. part of an organism that performs a specific function
- 14. minimum quantity of energy in order for a species to undergo a chemical reaction
- 15. water loving
- 16. a group of atoms bonded together
- 17. when a protein is changed from its natural quality
- 18. Proteins that accelerate chemical reactions
Down
- 2. a reactant in a chemical reaction
- 3. a group of cells that work together to perform a specific function
- 4. water fearing
- 5. the ability of the cell to control what comes in or out of the cell
- 6. The part of the enzyme where the substrate binds
- 10. A fat that contain phosphorus
- 12. A living thing that has an organized structure
