3 years ago

In the absence of lactose, the cell transcription of DNA is blocked when...

1 answer:

5 0

In the absence of lactose, the repressor remains bound to the operator and preventing access of the RNA polymerase to the promoter. Transcription is blocked and the operon is repressed. In the presence of lactose, the repressor is inactivated form and does not bind to the operator.

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