Home
Class 12
BIOLOGY
In E.coli during lactose metabolism, rep...

In E.coli during lactose metabolism, repressor binds to :

A

Regulator gene

B

Operator gene

C

Strcutural gene

D

Promoter gene

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • MOLECULAR BASIS OF INHERITANCE

    AAKASH INSTITUTE|Exercise ASSIGNMENT (SECTION -D) (Assertion -Reason Type Questions)|20 Videos

  • MOLECULAR BASIS OF INHERITANCE

    AAKASH INSTITUTE|Exercise ASSIGNMENT (SECTION -B) Objective Type Questions|36 Videos

  • MOCK_TEST_20

    AAKASH INSTITUTE|Exercise EXAMPLE|32 Videos

  • MORPHOLOGY OF FLOWERING PLANTS

    AAKASH INSTITUTE|Exercise TRY YOURSELF|38 Videos

Similar Questions

Explore conceptually related problems

In Lac-operon, repressor protein binds to

E coli. is:

Select the two correct statements out of the four (1-4) given below about lac operon. 1. Glucose or galactose may bind with the repressor and inactivate it 2. In the absence of lactose the repressor binds with the operator region 3. The z-gene codes for permease 4. This was elucidated Francois Jacob and Jacque Monod The correct statements are :

In an E. coli culture lactose is used as food instead of glucose. If so, answer the following questions: (1) How do the bacteria respond to the above situation at genetic level? (2) If lactose is removed from the medium what will happen?

In E.coli replication starts at :

Give the names and functions of enzymes involved in lactose metabolism in E. Coli:

Jacob and Monod studied lactose metabolism in E. coli and proposed operon concept which is applicable for all :

Jacob and Monad studied lactose metabolism in E. coli and Proposed operon concept , which is appplicable for

AAKASH INSTITUTE-MOLECULAR BASIS OF INHERITANCE -ASSIGNMENT (SECTION -C) Previous Years Questions
  1. At the time of organogensis, genes regulate the process at different l...

    Text Solution

    |

  2. A mutant strain of T4 – Bacteriophage, R-II, fails to lyse the E-Coli ...

    Text Solution

    |

  3. In E.coli during lactose metabolism, repressor binds to :

    Text Solution

    |

  4. In DNA percentage of thymine is 20, then what is the percentage of gua...

    Text Solution

    |

  5. Out of 64 codons , 61 codons code for 20 types of amino acid. It is ca...

    Text Solution

    |

  6. Jacob and Monad studied lactose metabolism in E. coli and Proposed ope...

    Text Solution

    |

  7. Exon part of m- RNA code for

    Text Solution

    |

  8. Which form of RNA has a structure resembling clover leaf ?

    Text Solution

    |

  9. Which of the following reunites the exon segments after RNA splicing ?

    Text Solution

    |

  10. During translation initiation in prokaryotes, a GTP molecule is needed...

    Text Solution

    |

  11. In the genetic code dictionary, how many codons are used to code for a...

    Text Solution

    |

  12. The telomeres of eukaryotic chromosomes consist of short sequences of

    Text Solution

    |

  13. What does ''lac'' refer to in what we call the lac operon ?

    Text Solution

    |

  14. Degeneration of a genetic code is attributed to the :

    Text Solution

    |

  15. During transcription, DNA site at which RNA polymerase binds is called

    Text Solution

    |

  16. What would happen if in a gene encoding a polypeptide of 50 amino acid...

    Text Solution

    |

  17. Which one of the following triplet codes, is correctly matched with it...

    Text Solution

    |

  18. DNA fingerprinting refers to

    Text Solution

    |

  19. During transcription, if the nuncleotide sequence of the DNA strand th...

    Text Solution

    |

  20. After a mutation at a genetic locus the character of an organism chan...

    Text Solution

    |