Which of the following is required as inducer(s) for the expression of Lac operon?

  • Option 1)

    glucose

  • Option 2)

    galactose

  • Option 3)

    lactose

  • Option 4)

    lactose and galactose

 

Answers (1)

 

The lac operon -

In lac operon, a polycistronic structural gene is regulated by a common promoter and regulatory genes. 

- wherein

Such arrangements are very common in bacteria and is referred to as operon. 

 

 

 


Option 1)

glucose

This is incorrect option

Option 2)

galactose

This is incorrect option

Option 3)

lactose

This is correct option

Option 4)

lactose and galactose

This is incorrect option

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