Across
- 2. any substance that speeds up a reaction
- 6. the substance produced in an enzyme reaction
- 8. enzymes can be used over and over _____ after a chemical reaction
- 9. the substance an enzyme works on
- 10. a biological catalyst
Down
- 1. type of protein, found on the surface of cells
- 3. enzymes _____ up chemical reactions
- 4. type of protein, a chemical messenger
- 5. enzymes remain ______ after a chemical reaction
- 7. what enzymes are made out of
- 8. type of protein, fights infections