Across
- 4. the minimum energy required for a chemical reaction to occur
- 5. characterizes something or someone
- 8. molecule on which an enzyme acts.
- 9. complex proteins that produce a chemical.
Down
- 1. change of molecular structure
- 2. body or component of a thing
- 3. formed by units called amino acids.
- 6. changes the rate of a chemical reaction.
- 7. involves two or more components joined by a chemical bond type