If E.coli bacteria are grown in the absence of lactose A) the repressor will not bind the operator, thus allowing transcription of the lac operon genes. B) the repressor will bind the operator, thus allowing transcription of the lac operon genes. C) the repressor will not bind the operator, thus preventing transcription of the lac operon genes. D) the repressor will bind the operator, thus preventing transcription of the lac operon genes. E) No answer is correct.

Question

Quizplus · Accepted Answer

Without lactose, the machinery for activation of the operon for its uptake and metabolism is not expressed.

If EColi Bacteria Are Grown in the Absence of Lactose