Across
- 4. Proteins that act as biological catalys.
- 8. Energy needed to get a reaction started.
- 9. The reactants of enzyme-catalyzed reactions.
- 10. Elements that enter into a chemical reaction.
Down
- 1. Is a substance that speeds up the rate of a chemical reaction.
- 2. Process by which organisms maintain a relatively stable internal environment.
- 3. Body temperature is controlled from within.
- 5. Process that changes, or transforms, one set of chemicals into another.
- 6. Body temperature is mainly determined by the temperature of its environment.
- 7. Elements or compounds produced by a chemical reaction.