Home
Class 12
BIOLOGY
[A]: The Lac operon is an example of ind...

[A]: The Lac operon is an example of induc- ible system.
[R]: When Lactose, the inducer is present in the medium, it binds to the repressor making it ineffective.

A

If both A and R are true and R is the correct explanation of A

B

If both A and R are true but R is not the correct explanation of A

C

If A is true and R is false

D

If both A and R are false

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • Fungi

    TRUEMAN BIOLOGY|Exercise ASSERTION AND REASON|28 Videos

  • GENETICS AND EVOLUTION

    TRUEMAN BIOLOGY|Exercise SECTION-D|25 Videos

Similar Questions

Explore conceptually related problems

Inducer in Lac Operon is

In E.coli, lac operon is induced by

Name the inducer which regulates the switching on and off of the lac operon.

Lactose is termed as inducer in lac operon. Give reason.

Lactose is termed as inducer in lac operon. Give reason.

Which of the following is required as inducer(s) for the expression of Lac operon ?

The Lac operon "Inducer Lactose" serves as an enzyme substrate for

TRUEMAN BIOLOGY-Genetics-ASSERTION AND REASON
  1. [A]: Recombinant DNA contains DNA from two or more sources. [R]: Pl...

    Text Solution

    |

  2. [A]: Genetic engineering is the use of tech- nology to alter the genom...

    Text Solution

    |

  3. [A]: The Lac operon is an example of induc- ible system. [R]: When L...

    Text Solution

    |

  4. [A]: Vectors carry only the foreign DNA/gene into the host cell. [R]...

    Text Solution

    |

  5. [A]: The series of enzyme controlled reac- tions determine traits in a...

    Text Solution

    |

  6. [A]: Raphanobrassica is an excellent ex- ample of allotertraploidy. ...

    Text Solution

    |

  7. [A]: Plasmids are double .stranded extra chromosomal DNA. [R]: Plas...

    Text Solution

    |

  8. [A]: Adenine can not pair with cytosine. [R]: Because there would b...

    Text Solution

    |

  9. [A]: The base ratio (A+T )/(G+C) is constant in a particular organism....

    Text Solution

    |

  10. [A]: Drosophila is commonly used in the study of genetics. [R]: Becaus...

    Text Solution

    |

  11. [A]: When RH positive male marries RH negative woman the situation can...

    Text Solution

    |

  12. [A]: Hershey and Chase experiment showed that protein is the genetic m...

    Text Solution

    |

  13. [A]: The DNA fingerprinting relies on recom- binant DNA technology and...

    Text Solution

    |

  14. [A]: Chromatid is one of a pair of replicated chromosomes found during...

    Text Solution

    |

  15. [A]: For a recipient to receive blood from a donor, the recipient's pl...

    Text Solution

    |

  16. [A]: Lampbrush chromosomes arf3 found in the oocytes of certain animal...

    Text Solution

    |

  17. Assertion (a) : Superumerary chromosomes do not usually have anay eff...

    Text Solution

    |

  18. [A]: The chromosomes of plants are larger than animals. [R]: The ch...

    Text Solution

    |

  19. [A]: Metacentric chromosomes are V-shaped [R]: In these chromosomes...

    Text Solution

    |

  20. [A]: Chromosomes are divided into hetero- chromatin and euchromatin pa...

    Text Solution

    |