In the regulation of the lac operon, when lactose is present,?

C

Christopher

New member
In the regulation of the lac operon, when lactose is present,
A) lactose binds to the repressor, making it unable to bind to the operator and allowing transcription to proceed.
B) lactose binds to the operator, making the repressor unable to bind to the operator and allowing transcription to proceed.
C) the repressor binds to the operator, allowing transcription to proceed.
D) lactose binds to RNA polymerase, allowing transcription to proceed even in the presence of the repressor.
E) lactose binds to the repressor, causing it to bind to the operator and allowing transcription to proceed.
 
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