Across
- 3. if the enzymes shape changes significantly and can no longer function
- 5. something you breathe in everyday to stay alive
- 6. very little hydrogen
- 9. molecule that's used by all living organisms
- 13. adds water molecules
- 18. breaks down lactose
- 19. percentage of hydrogen ions in a solution
- 21. specifically shaped area of the enzyme
- 23. after a chemical reaction occurs
- 24. an enzyme that is released by the cells of the stomach
- 25. the name of what an enzyme typically ends in
Down
- 1. large bio-molecules
- 2. removes water molecules
- 4. shape of the enzyme fits the substrate
- 7. lots of hydrogen
- 8. enzymes control this aspect of a chemical reaction
- 10. chemical reactions done by living organisms
- 11. protein molecules that act as biological catalysts
- 12. a toxic chemical that is produced in many organisms
- 14. the substance the enzyme acts on
- 15. when the substrate is changed
- 16. an enzyme that is present in saliva
- 17. can block active sites
- 20. degree or intensity of heat present
- 21. an enzyme that helps digest food
- 22. reaction energy lowered by enzymes