3 years ago

What is the inducer molecule in the lac operon?

Biology

1 answer:

Sunny_sXe [5.5K]3 years ago

4 0

Answer:

Allolactose

Explanation:

<u>The inducer in the lac operon is allolactose. Allolactose is the inducer of lac operon since it turns on, or induces the expression of the lac genes. </u>
In the presence of lactose in the medium, some amount of lactose will be converted to allolactose by the enzymes β-galactosidase present in the cell.
Consequently Allolactose binds to the repressor molecule, hence reducing the repressor's affinity for the operator site.

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