Across
- 1. Used to speed up a chemical reaction
- 4. A reaction that gives off heat
- 7. It is a biochemical reaction
- 9. Needed for respiration to occur
- 10. A reaction that keeps the heat in
Down
- 2. Energy to get going
- 3. A factor that affects respiration
- 5. Needed to react with glucose
- 6. Proteins that work at a particular temperature
- 8. The ability to work