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Q. Which of the following statements is correct?

Jharkhand CECEJharkhand CECE 2015

Solution:

Inducer is a molecule that regulates gene expression. The inducer in the lac operon is allolactose or lactose. In the presence of an inducer, the repressor is inactivated by interaction with the inducer. This allows RNA polymerase access to the promoter and transcription proceeds.