In an inducible operon, the ____ is the molecular switch that controls gene expression, while the ____ is the DNA region where RNA polymerase binds to begin transcription.

Question

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The operator acts as the molecular switch that controls gene expression by either allowing or blocking RNA polymerase access to the genes. The promoter is the DNA region where RNA polymerase binds to initiate transcription.

In an Inducible Operon, the ____ Is the Molecular Switch