Which of the following would you expect to find in an inducible system?
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
Jacob and Monad studied lactose metabolism in E. coli and proposed operon concept, which is applicable for
Jacob and Monad studied lactose metabolism in E. coli and proposed operon concept, which is applicable for
- [AIPMT 2002]
Genes that are involved in turning on or off the transcription of a set of structural genes are called
Genes that are involved in turning on or off the transcription of a set of structural genes are called
- [AIPMT 1998]
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?
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?
In the lac operon, the structural genes are switched off when
In the lac operon, the structural genes are switched off when
In Operon concept, regulator gene functions as
In Operon concept, regulator gene functions as
- [AIPMT 1999]