Biology, asked by Charit3451, 9 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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