| A | B |
|---|
| chemical reaction | process by which atoms or groups of atoms are reorganized into different substances |
| reactants | the materials present at the start of a chemical reaction |
| products | the substances formed during the chemical reaction |
| activation energy | the minimum amount of energy needed for the reactants to form products in a chemical reaction |
| catalyst | a substance that lowers the activation energy needed to start a chemical reaction |
| substrates | reactants that bind to the enzyme |
| active site | the specific location on the enzyme where the substrate binds |
