Which of the following is produced by E-Coli in the lactose operon.

Which of the following is not produced by E-Coli in the lactose operon.

This is not produced by E.coli in the lactose medium :

This is not produced by E.coli in the lactose medium :

Which of the following events would occur in 'Lac' operon' of E. coli when the growth medium has high concentration of lactose ?

Which enzyme is produced during lactose catabolism by E.coli?

In the medium where E. Coli was growing, lactose was added, which induced the lac operon. Why does (an. lac operon shut down otter sometime addition of lactose in the medium?

In the medium where E. coli was growing, lactose was added, which induced the lac operon. Then, why does lac operon shut down some time after addition of lactose tn the medium?