| A | B |
| enzymes | proteins necessary for chemical reactions to occur |
| catalyst | anything that causes a reaction without itself being changed |
| lock and key model | enzymes work on a substrate based on their exact shape |
| substrate | the substance the enzyme is causing a reaction |
| optimal | best |
| denature | to damage and change shape |
| coenzymes | allows enzymes to perform more catalytic functions; helps enzymes |
| induced fit | the enzyme will change shape slightly to react with a substrate |