| A | B |
|---|
| catalysts | A substance that accelerates a chemical reaction. |
| enzymes | A molecule produced by living organisms that catalyses chemical reactions. |
| substrates | A substance upon which an enzyme acts. |
| active site | A specific region of an enzyme where a substrate binds to the enzyme. |
| products | Anything that is made as the result of an enzymatic reaction. |
| activation energy | The energy required to initiate a reaction. |
| temperature and pH | Factors that influence the function of an enzyme. |
| coenzymes | Can be vitamins that bind with the enzyme and then begin a chemical reaction. |
| vitamins | A diverse group of organic molecules that are required for metabolic reactions and generally cannot be synthesized in the body. |
| minerals | Trace elements required for normal metabolism, as components of cells and tissues, and in nerve conduction and muscle contraction. |
| reactants | a chemical substance that is present at the start of a chemical reaction. |
