Home
Class 12
BIOLOGY
Explain how lac operon operates in E.col...

Explain how lac operon operates in E.coli
in the absence of an inducer.

Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

What is an inducible operon ? Name the genes that constitute an operon. Explain the lac operon of E.Coli with help of schematic representation.

Name the inducer of lac operon in E-coli.

Explain the Iac-operon of E.coli with the help of schematic representation.

Explain the importance of rop in the E.coli vector

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

Can you think, for how long would the lac operon be expressed in the presence of lactose?

PRACTICE PROBLEMS — REPRODUCTION IN FLOWERING PLANTS How would you explain seed set in papaya in the absence of male plant in close vicinity of a female plant?

MBD-MODEL TEST PAPER -2-EXERCISE
  1. "Species Bt Toxin gene is incorporated into cotton plant so as to cont...

    Text Solution

    |

  2. Define adolescence.

    Text Solution

    |

  3. Name the biological process that enables continuity of species.

    Text Solution

    |

  4. Offspring derived by asexual reproductrion are called clones.justify b...

    Text Solution

    |

  5. Name an organism where cell division in itself is a mode of reproducti...

    Text Solution

    |

  6. Spiny or sticky pollen grains and large,attractively coloured flowers ...

    Text Solution

    |

  7. Study the graph given below related to menstrual cycle in demales: Id...

    Text Solution

    |

  8. Which of the following statement is true of yeast?

    Text Solution

    |

  9. In yeast and Amoeba,the parent cell divides to give rise to two new in...

    Text Solution

    |

  10. Study the graph given below related to menstrual cycle in Females: ...

    Text Solution

    |

  11. What is foetal ejection reflex? Explain how it leads to parturtion?

    Text Solution

    |

  12. Describe aminoacylation of tRNA.

    Text Solution

    |

  13. Explain the process that takes place in the ribosomes when mRNA enters...

    Text Solution

    |

  14. Due to transcription error, ATG codon of DNA is transcribed into UAG i...

    Text Solution

    |

  15. What is an inducible operon ? Name the genes that constitute an operon...

    Text Solution

    |

  16. Explain how lac operon operates in E.coli in the absence of an induc...

    Text Solution

    |

  17. what is hybrid? Explain the procedure of obtaining a hybrid

    Text Solution

    |

  18. what is humoral immunity.

    Text Solution

    |

  19. How is a child protected form a disease for which he/ she is vaccinate...

    Text Solution

    |

  20. Name the type of cells the AIDS virus enters after getting into the hu...

    Text Solution

    |