Q. In E. coli, during lactose metabolism repressor binds to:-

 2607  220 AIPMTAIPMT 2002Molecular Basis of Inheritance Report Error

Solution:

In the lac operon of E.coli due to the activity of regulator gene synthesis of repressor molecules occurs. These repressor molecules get attached to the operator gene and thus check m-RNA synthesis and because of this no protein synthesis occurs.