Home
Class 12
BIOLOGY
The inducer for switching 'on' the lac o...

The inducer for switching 'on' the lac operon in bacteria is

A

Presence of lactose

B

Number of bacteria

C

Presence of structural genes in the bacteria

D

Presence of sucrose

Text Solution

Verified by Experts

The correct Answer is:
a
Promotional Banner

Topper's Solved these Questions

  • MICROBES IN HUMAN WELFARE

    ERRORLESS |Exercise Microbes In Human Welfare|118 Videos

  • PRINCIPLES OF INHERITANCE AND VARIATION

    ERRORLESS |Exercise Principles Of Inheritance And Variation|716 Videos

Similar Questions

Explore conceptually related problems

Lac operon is

The lac operon is an example of :

Describe the lac operon in detail.

Lac operon is related with :

In lac operon the lac mRNA

The lac operon consists of

In lac operon i gene codes for :

Which of the following switch off lac operon

ERRORLESS -MOLECULAR BASIS OF INHERITANCE-Molecular Basis Of Inheritance
  1. Dr. Hargovind Khorana deuced the code for which of the following amino...

    Text Solution

    |

  2. Given below is a sample of a portion of DNA strand giving the base seq...

    Text Solution

    |

  3. The inducer for switching 'on' the lac operon in bacteria is

    Text Solution

    |

  4. Operon contains

    Text Solution

    |

  5. Which enzyme/s will be produced in a cell in which there is a nonsese ...

    Text Solution

    |

  6. In ans inclucible operon, the genes are

    Text Solution

    |

  7. The figure of the lac from E. coli is shown below. Each alphabets indi...

    Text Solution

    |

  8. In the given figure of the lac operon,an for inducible enzymes, Identi...

    Text Solution

    |

  9. The following figure refers to transcirption in prokaryote Identify A,...

    Text Solution

    |

  10. The given figure refers to the process of transcription in Eukaryotes,...

    Text Solution

    |

  11. Which one of the following is wrongly matched

    Text Solution

    |

  12. In lac- opeon if mutation occurs in the middle gene of the 'structural...

    Text Solution

    |

  13. Whihc option is corect for the aminoacid and the total number of their...

    Text Solution

    |

  14. Which amino acid determines by four gentic codes

    Text Solution

    |

  15. Which of the following is required as inducer(s) for the expression of...

    Text Solution

    |

  16. The amino acid trytophan is the precursor for the synthesis of

    Text Solution

    |

  17. Whihc of the following pair of amino acids are acidic

    Text Solution

    |

  18. If there are 999 bases in RNA that codes for a protein with 333 amino ...

    Text Solution

    |

  19. All of the following are part of an operon expect

    Text Solution

    |

  20. The process by which DNA of nucleus passes genetci information of m RN...

    Text Solution

    |