4294160
| Question | Answer |
| Alpha Helix | A common type of secondary structure in a polypeptide chain |
| Amino Acids | Molecules that make up proteins, containing atoms of carbon, hydrogen, oxygen and nitrogen |
| Amylase | An enzyme that hydrolyses starch into maltose |
| Catalse | An enzyme that catalyses the decomposition of hydrogen peroxide into water and oxygen |
| Catalyst | Substances added to chemical reactions to alter the speed of the reaction |
| Competitive Inhibitors | Molecules that bind to the active site in an enzyme but no reaction takes place |
| Condensation Reaction | A reaction in which two compounds are joined together by removing the elements of a water molecule |
| Covalent Bonds | Very strong bonds formed when two atoms share electrons with each other |
| Denatured | Describing an enzyme that has been inactivated when hydrogen bonds are broken through heating |
| Dipeptide | A molecule made up of two amino acid molecules joined by a condensation reaction |
| Endopeptidase | An enzyme that breaks peptide bonds |
| Enzymes | Catalysts (usually proteins) produced by cells, which control the rate of chemical reactions in cells |
| Enzyme - Substrate Complex | The combination of an enzyme and a substrate |
| Fibrous Proteins | Proteins that form long, thin molecules |
| Globular Protein | A protein that forms a ball shaped molecule |
| Hydrogen Bonds | Weak chemical bonds involving hydrogen atoms |
| Hydrolysis | Reactions in which compounds are broken down by reacting with water |
| Induced - Fit Model | A type of enzyme action in which the substrate binds to the active site of the protein |
| Lipase | An enzyme in the pancreas that catalyses the breakdown of fats |
| Non - Competitive Inhibitors | Molecules that inhibit enzyme reactions by altering the shape of the enzyme molecule |
| Optimum Temperature | The temperature at which enzymes work fastest |
| Peptide Bond | A bond between two amino acids |
| Polypeptides | Long chains of amino acids |
| Primary Structure | The unique sequence of amino acids in a polypeptide |
| Protein | A molecule made up of long chains of amino acids |
| Quaternary Structure | The structure of proteins that contain more than one polypeptide chain |
| Substrate | The molecule that allows an enzyme to react |
| Tertiary Structure | The 3D shape of a polypeptide molecule |
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