Jacob and Monad studied lactose metabolism in E. coli and proposed operon concept, which is applicable for
Prokaryotes
Eukaryotes
Protozoanes
All of these
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 in the medium?
What effect would you expect if gene expression of the lac operon were completely repressed?
In the lac operon, the structural genes are switched off when
The lac operon consists of