| Term | Definition |
|---|
| activation | initation of transcription by the removal of repressor protein |
| enhancer | a region adjacent to a eukaryotic gene that must be activated if the gene is to be expressed |
| euchrmatin | the uncoiled form of chromatin |
| exon | coding region of a eukayotic gene |
| gene expression | the transcription of DNA into RNA and then into proteins |
| genome | the complete genetic material contained in an individual |
| inducer | in the lac operon, the molecule that binds to repressor molecules and induces gene expression |
| intron | a section of a structural gene that does not code for an amino acid and is excised before translation |
| lac operon | DNA segment that codes for the regulatory enzymes for lactose metabolism |
| operator | a sequence of DNA to which a repressor binds to prevent mRNA synthesis from the adjacent gene |
| operon | a unit of DNA common in bacteria and phages consisting of clusters of regulated genes |
| pre-mRNA | a form of mRNA that contains introns and exons |
| regulatory gene | a genetic unit that regulates or suppresses the activity the activity of one or more structural genes |
| repression | blockage of transcription by the action of a repressor protein |
| repressor protein | protein that inhibits a specific gene from being expressed |
| structural gene | a gene that codes for a product, such as an enzyme, protein, or RNA, rather that serving as a regulator gene |
| transcription factor | one of the additional protein bound to enhancers and RNA polymerase that regulate transcription |
Combine with other sets
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