Home
Class 12
BIOLOGY
In E. coli, an operator gene combines wi...

In E. coli, an operator gene combines with

A

Inducer gene to switch on structural gene transcription

B

Represser protein to switch off structural gene transcription

C

Regulator gene to switch on structural gene transcription

D

Represser protein to switch on structural gene transcription

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • NTA NEET SET 26

    NTA MOCK TESTS|Exercise BIOLOGY|90 Videos

  • NTA NEET SET 28

    NTA MOCK TESTS|Exercise BIOLOGY|90 Videos

Similar Questions

Explore conceptually related problems

In E. coli an operator gene combine with

In an E coli cell according to the operon theory, an operator gene combines with

In operon concept, the operator gene combines with :

In Escherichia coli, the product of i gene combines with

In Escherichia coli, the product of i gene combines with

In E. coli, the lac operon gets switched on when

In E.coli, lac operon is induced by

E coli. is:

In E.coli, the lac operono gets switched on when

NTA MOCK TESTS-NTA NEET SET 27-BIOLOGY
  1. Find the incorrect statement.

    Text Solution

    |

  2. Which of the following types of RNA act as adapter molecule ?

    Text Solution

    |

  3. In E. coli, an operator gene combines with

    Text Solution

    |

  4. Identify the correct sequence of organs/ regions in the organization o...

    Text Solution

    |

  5. Blood groups are identified by the presence of various surface glycopr...

    Text Solution

    |

  6. Which one of the following hormones is not found in plants?

    Text Solution

    |

  7. Besides Annelida and Arthropoda, true metamerism is found in

    Text Solution

    |

  8. Cycas have two cotyledons but not included in angiosperms because of

    Text Solution

    |

  9. Coronavirus is highly dangerous and life-threatening for elderly. This...

    Text Solution

    |

  10. CAD stands for

    Text Solution

    |

  11. The most important function of inflorescence is to help in

    Text Solution

    |

  12. Which of the following have a highly convoluted surface to provide the...

    Text Solution

    |

  13. Which one of the following pairs is not correctly matched?

    Text Solution

    |

  14. The harmful Ozone is present in

    Text Solution

    |

  15. The ''lock and key'' model of enzyme action illustrates that a particu...

    Text Solution

    |

  16. A mature sieve tube differs from vessel in

    Text Solution

    |

  17. Statement-l: The mesophyll of Pinus shows no distinction as spongy mes...

    Text Solution

    |

  18. Which of the following maintains continuity between the water and lipi...

    Text Solution

    |

  19. Which of the following most appropriately describes haemophilia?

    Text Solution

    |

  20. Which one of the following can help in the diagnosis of genetical basi...

    Text Solution

    |