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What is the benefit of the repressor being constitutively produced?Choose 1 answer:Choose 1 answer:(Choice A, Incorrect)INCORRECTThe repressor provides a feedback loop preventing the lac operon from being transcribed in the absence of glucose.(Choice B, Checked, Correct)CORRECT (SELECTED)The bacteria does not want to expend energy creating lactose metabolizing enzymes if lactose is not available.(Choice C, Incorrect)INCORRECTThe repressor acts as a lactose sensor, and recruits RNA polymerase only in the presence of lactose.(Choice D, Incorrect)INCORRECTThe operator needs either a constitutively expressed activator or repressor binding to it to regulate transcription.
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