CUET Preparation Today
Which among the following acts as a inducer in lac operon ? |
Glucose Galactose Lactose Maltose |
Lactose |
Lactose is the substrate for the enzyme beta-galactosidase and it regulates switching on and off of the operon. Hence, it is termed as inducer. Remember, glucose or galactose cannot act as inducers for lac operon. |
