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Ludmilka [50]
3 years ago
8

Inhibition of transcription by lac repressor involves its binding to the promoter

Biology
2 answers:
viktelen [127]3 years ago
8 0
Answer:
           
                  The correct option is b (false). 

Explanation:
     
                    As is is cleared from the figure that when lactose is absent, the lac repressor binds tightly to the operator. It gets in RNA polymerase's way and prevent transcription. 

Vinil7 [7]3 years ago
3 0
Lac repressor does inhibit expression of the lac operon when there is no lactose present (because it's a waste to make these proteins when there's no lactose around), however, the statement above is false because the lac repressor binds to the OPERATOR site, not the promoter. 
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