In the lac operon model,lactose molecules fun | vedclass

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(C) In the $lac$ operon model,the repressor protein is synthesized by the $i$-gene. In the absence of the inducer (lactose),the repressor protein bind

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Inducers which bind with repressor protein

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(C) In the $lac$ operon model,the repressor protein is synthesized by the $i$-gene. In the absence of the inducer (lactose),the repressor protein binds to the operator gene,preventing $RNA$ polymerase from transcribing the structural genes. When lactose is present,it acts as an inducer. Lactose binds to the repressor protein,causing a conformational change that prevents the repressor from binding to the operator gene. This allows $RNA$ polymerase to transcribe the structural genes,thus enabling the expression of the operon.

In the $lac$ operon model,lactose molecules function as:

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