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* השאלה נוספה בתאריך: 28-01-2021

		1. the DNA sequence that binds the RNA polymerase.
		2. a protein that regulates transcription from the promoter.
		3. the DNA sequence where transcription of the operon begins.
		4. a cis-acting DNA sequence that binds the operator.
		5. a protein which binds to the RNA polymerase.

In the context of prokaryotic gene regulation, a repressor is: