Biology, asked by Charit3451, 11 months ago

Explain how the lac operon gets switched on in the presence of lactose in E.coli

Answers

Answered by Alessiacornwell

Lactose is the substrate for the enzyme beta-galactosidase and it regulates switching on and off of the operon. The operator gene become free and induces the RNA polymerase to bind with promoter gene. Then transcription starts.

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