| Answer | Crossword Clue |
|---|---|
| RNA | Genetic chem. transcription |
| RNA | Brief genetic transcription |
| upstream | Situated in or toward the part of a sequence of genetic material where transcription takes place earlier than at a given point |
| downstream | Situated in or toward the part of a sequence of genetic material where transcription takes place later than at a given point |
| operator | binding site in a DNA chain at which a genetic repressor binds to inhibit the initiation of transcription of messenger RNA by one or more nearby structural genes called also operator gene compare operon |
