Select from the dropdown lists to complete the text.
1. ( Inductor, Represor )
2. ( Regulador, Represor )
3. De ( control, mando )
4. ( Estructurales, Funcionales )
5. ( Represora, Sintetasa )
6. ( Promotor, Polimerasa )
7. ( Operador, Opcional )
8. ( Galactosidasa, Oxidacion, Galactosa )
9. ( Transacetilasa, PermeasaII )