In Escherichia coli, lac operon is induced by

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The inducer for Lac operon of Escherichia coli is lactose (actually allolactose or metabolite of Lactose). This lac operon normally remains inactive.

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$lactose$

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The inducer for Lac operon of Escherichia coli is lactose (actually allolactose or metabolite of Lactose). This lac operon normally remains inactive. When lac operon contacts with lactose, the lactose acts as an inducer and combines with the repressor, and the repressor is detached from operator gene. Thus $RNA$ - repressor, and the repressor is detached from operator gertural genes and polymerase enzyme gets its passage and reaches to the structural starts the transcription.

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Wild type E.coli cells are growing in normal medium with glucose. They are transferred to a medium containing only lactose as the sugar. Which one of the following changes take place