Home
Class 12
BIOLOGY
Define operon. Describe the regulation o...

Define operon. Describe the regulation of inducible system with the help of lac-operon.

Promotional Banner

Topper's Solved these Questions

  • MOLECULAR BASIS OF INHERITANCE

    MODERN PUBLICATION|Exercise COMPETITION FILE OBJECTIVE TYPE QUESTIONS (Multiple Choice Questions (MCQs) :)|135 Videos

  • MOLECULAR BASIS OF INHERITANCE

    MODERN PUBLICATION|Exercise COMPETITION FILE OBJECTIVE TYPE QUESTIONS (Match Type Questions )|2 Videos

  • MOLECULAR BASIS OF INHERITANCE

    MODERN PUBLICATION|Exercise REVISION EXERCISES (Case-Based Answer Type Questions)|5 Videos

  • MICROBES IN HUMAN WELFARE

    MODERN PUBLICATION|Exercise CHAPTER PRACTICE TEST (Long Answer Type Question )(Five marks each)(Section -E)|8 Videos

  • ORGANISMS AND POPULATIONS

    MODERN PUBLICATION|Exercise Chapter Practice Test (Section - E)|2 Videos

Similar Questions

Explore conceptually related problems

Repressor of lac-operon

Lac operon is

Describe the lac operon in detail.

What is an ‘Inducible Operon’? Explain the regulation of gene expression in prokaryotes with the help of ‘Lac-Operon'.

Explain the functioning of lac operon system with the help of a diagram.

Enlist the genes in Lac operon

In operon model, regulator gene :

In lac operon,the regulator gene codes for

The Lac Operon

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

MODERN PUBLICATION-MOLECULAR BASIS OF INHERITANCE -REVISION EXERCISES (Long Answer Type Questions)
  1. (a) Define replication. (b) Give a brief account of DNA replication.

    Text Solution

    |

  2. Describe the transcription of RNA from DNA.

    Text Solution

    |

  3. Define operon. Describe the regulation of inducible system with the he...

    Text Solution

    |

  4. (a) Define transcription. (b) Describe in brief process of transcrip...

    Text Solution

    |

  5. Explain the lac-operon of E-coli with the help of schematic representa...

    Text Solution

    |

  6. What is 'semi- conservative' DNA replication ? How was it experimenta...

    Text Solution

    |

  7. How did Griffiths and Avery show experimentally that DNA is the heredi...

    Text Solution

    |

  8. Give a brief account of DNA replication.

    Text Solution

    |

  9. (a) Define transcription. (b) Describe in brief the process of trans...

    Text Solution

    |

  10. A DNA sequence needed for coding a peptide is given below. “CAAGTAA...

    Text Solution

    |

  11. Describe the mechanism of translation with suitable diagrams.

    Text Solution

    |

  12. Explain lac operon with suitable diagram.

    Text Solution

    |

  13. What is DNA fingerprinting? Mention its application.

    Text Solution

    |

  14. What is translation? Describe different steps in translation.

    Text Solution

    |

  15. REGULATION OF GENE EXPRESSION

    Text Solution

    |

  16. Write experimental proof that DNA replicates semi-conservatively.

    Text Solution

    |

  17. How do m-RNA, t-RNA and ribosomes help in the process of translation ?

    Text Solution

    |

  18. Explain the process to transcription in prokaryotes .How is the proces...

    Text Solution

    |

  19. (a) Draw a labelled diagram of a "replicating fork" showing the polari...

    Text Solution

    |

  20. Explain Hershey and Chase experiment to prove that DNA is the heredita...

    Text Solution

    |