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Answer to Question #123860 in Cell Biology for Lisa

Question #123860
How does lactose help to switch on the transcription of lac Z and lacY?
1
Expert's answer
2020-06-30T13:07:06-0400

Lactose binds to a repressor protein, and alters its conformation to prevent it from binding to the DNA and interfering with the binding of RNA polymerase.


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