During lactose metabolism in E. coli,the repr | vedclass

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(B) In the $lac$ operon model of $E. coli$,the $i$ gene codes for a repressor protein. This repressor protein is constitutively synthesized and binds

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Operator gene

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(B) In the $lac$ operon model of $E. coli$,the $i$ gene codes for a repressor protein. This repressor protein is constitutively synthesized and binds to the operator region $(O)$ in the absence of the inducer (lactose). By binding to the operator,it prevents $RNA$ polymerase from transcribing the structural genes $(z, y, a)$. Therefore,the repressor protein binds to the operator gene.

During lactose metabolism in $E. coli$,the repressor protein binds to the ...........

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