Match each term with its definition.
1. a sequence of DNA located upstream of a gene that signals the start of transcription_______.
2. a regulatory protein that blocks transcription by binding to the operator site________.
3. a transcriptional element that blocks the signal between enhancers and promoters_______.
4. a gene that controls the expression of one or more genes by promoting or inhibiting transcription______.
5. a small molecule that activates transcription by inhibiting the action of a repressor protein______.
6. a short sequence of DNA located near the promoter region that is recognized by a repressor protein_____.
a. operator.
b. promoter.
c. regulatory.
d. gene insulator.
e. inducer.
f. irepressor.