Which of the following would prevent transcription of the lactose operon?

Name: Which of the following would prevent transcription of the lactose operon?
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Question

Quizplus · Accepted Answer

Loss of the promoter would prevent RNA polymerase from binding to the DNA, which is necessary for the initiation of transcription. The promoter region is crucial for the transcription machinery to recognize where to start transcribing the gene. Without it, the lactose operon cannot be transcribed.

Which of the Following Would Prevent Transcription of the Lactose