Across
- 3. minimum amount of energy needed to begin a chemical reaction
- 5. the reactants of enzyme catalyzed reactions
- 6. process that changes one set of compounds into another
- 7. elements or compounds produced by a chemical reaction
Down
- 1. elements or compounds that engage in a reaction
- 2. biological catalyst; a protein
- 4. a substance that speeds up the rate of a reaction without being consumed by the reaction