Across
- 1. Another word for reactant(s)
- 6. Required for a reaction to occur
- 8. Hormone produced by the thyroid glands to regulate metabolism
- 9. The process of undergoing an irreversible change in shape
- 10. A substance that binds to the active site and prevents a reaction
- 11. Slightly altering an enzyme's shape so it binds to the substrate molecule
- 13. Group of substances essential for cell function and growth
Down
- 2. Produces thyroxin, increasing the rate of metabolism
- 3. Part of enzyme where the chemical reaction occurs
- 4. A substance that causes the enzyme's active site to become non receptive to the substrate
- 5. Chemical reactions that occur in the body's cells
- 7. A model where the substrate binds to the enzyme, resulting in a chemical reaction
- 10. A small, vitamin-containing, organic molecule
- 12. Protein molecules that speed up specific reactions