10.3 Repressor is controlled by a small molecule inducer NO INDUCER: STRUCTURAL GENES REPRESSED Repressor tetra Figure 10.7 Repressor maintains the lac operon in the inactive 入 A condition by binding to lacz lacy facA INDUCER SWITCHES GENES the operator: addition of inducer releases the eactive form that cannot bind repressor. and thereby operator Inactive repressor allows rna 八wwA polymerase to initiate transcription 请莘大 ..e.a.Figure 10.7 Repressor maintains the lac operon in the inactive condition by binding to the operator; addition of inducer releases the repressor, and thereby allows RNA polymerase to initiate transcription. 10.3 Repressor is controlled by a small molecule inducer