| A | B |
|---|
| Chemical reactions | is the process by which atoms or groups of atoms in substances into differences substances |
| Reactants | substances on the left side of the equation |
| Products | substances on the right side of the equation |
| Activation Energy | the minimum amount of energy needed for reactants to form products in a chemical reaction |
| Catalyst | is a substance that lowers the activation energy needed to start a chemical reaction |
| Enzymes | special catalyst proteins |
| Substrates | the reactants that bind to the enzyme |
| Active site | the specific location where a substrate binds on an enzyme |
