| Answer | Crossword Clue |
|---|---|
| emigrationist | an advocate or promoter of emigration |
| emigrationists | EMIGRATIONIST, an advocate or promoter of emigration |
| impresario | an organizer, promoter, or manager of public entertainments, such as a ballet, opera, concert, or theater company |
| impresari | IMPRESARIO, an organizer, promoter, or manager of public entertainments, such as a ballet, opera, concert, or theater company |
| operons | set of two or more adjacent cistrons whose transcription is under the coordinated control of a promoter, an operator, and a regulator gene |
| operon | set of two or more adjacent cistrons whose transcription is under the coordinated control of a promoter, an operator, and a regulator gene |
