Which of the following would you expect to find in an inducible system?

  • A

    A repressor protein, which is bound to $DNA$ in absence of any other factor.

  • B

    A repressor protein, which is bound to $DNA$ in the presence of a corepressor.

  • C

    An activator protein, which is bound to $DNA$ in the absence of any other factor.

  • D

    An activator protein, which is bound to $DNA$ only in the absence of air inhibitor.

Similar Questions

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?

Definitions/Explanation : Regulatorgene & Promotergene
 

The lactose present in the growth medium of bacteria is transported to the cell by the action of

  • [NEET 2024]

Lac operon is

The regulatory genes are located