Terms : Hide Images
| 5520391414 | Amino Acid | An organic compound containing both NH2 and COOH groups. |  | 0 |
| 5520391415 | R Group | The distinguishing group of atoms of a particular amino acid (side chain) |  | 1 |
| 5520391416 | Peptide Linkage (bond) | The bond between amino acids in a protein; formed between a carboxyl group and amino group with the loss of water molecules |  | 2 |
| 5520391417 | Primary Structure | The specific sequence of amino acids in a protein |  | 3 |
| 5520391418 | Secondary Structure | Of a protein, localized regularities of structure, such as the alpha helix and the beta pleated sheet |  | 4 |
| 5520391419 | Alpha Helix | A prevalent type of secondary protein structure; a right-handed spiral |  | 5 |
| 5520391420 | Beta Pleated Sheet | A type of protein secondary structure; results from hydrogen bonding between polypeptide regions running antiparallel to each other |  | 6 |
| 5520391421 | Tertiary Structure | In reference to a protein, the relative locations in three-dimensional space of all the atoms in the molecule. The overall shape of a protein |  | 7 |
| 5520391422 | Denaturation | Loss of activity of an enzyme or nucleic acid molecule as a result of structural changes induced by heat or other means |  | 8 |
| 5520391423 | Quaternary Structure | The specific three-dimensional arrangement of protein subunits |  | 9 |
| 5520391425 | Activation Energy | The energy barrier that blocks the tendency for a chemical reaction to occur |  | 10 |
| 5520391426 | Substrate | The molecule or molecules on which an enzyme exerts catalytic action |  | 11 |
| 5520391427 | Active Site | The region on the surface of an enzyme or ribozyme where the substrate binds, and where catalysis occurs |  | 12 |
| 5520391428 | Allosteric Regulation | Regulation of the activity of a protein, usually an enzyme, by the binding of an effector molecule to a site other than the active site | 13 | |
| 5520391430 | Enzyme | A catalytic protein that speeds up a biochemical reaction | | 14 |
| 5520437164 | Disulfide bridge | The covalent bond between two sulfur atoms linking two molecules or remote parts of the same molecule. | 15 | |
| 5520445232 | Cofactor | An inorganic ion that is weakly bound to an enzyme and required for its activity. | 16 | |
| 5520450757 | Enzyme-substrate complex | An intermediate in an enzyme-catalyzed reaction. | 17 | |
| 5520459645 | Transition state | In an enzyme-catalyzed reaction, the reactive condition of the substrate after there has been sufficient input of energy to initiate the reaction. | 18 | |
| 5520472496 | Feedback inihibition | A mechanism for regulating a metabolic pathway in which the end product of the pathway can bind to and inhibit the enzyme that catalyzes the first committed step in the pathway. | 19 |
