Home
Class 12
BIOLOGY
Which enzyme/s will be produced in a cel...

Which enzyme/s will be produced in a cell in which there is a nonsese mutation in the lac Y gene

A

`beta` - galactosidase

B

Lactose permease

C

Transacetylase

D

Lactose permease and transacetylase

Text Solution

Verified by Experts

The correct Answer is:
A

`beta` - galactosidase is a structural gene , which carry codes for the synthesis of protein Multation in the lac Y gene of E. coli needs residues of cytoplasmic enzyme `beta` - galactosidase . Lactose permease is a membrane protein , which is a major facilitator superfamily. Transacetylase is an enzyme transferring acetyl groups from one compound to another.
Promotional Banner

Topper's Solved these Questions

  • MINERAL NUTRITION

    NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)|Exercise MCQs|40 Videos
  • MORPHOLOGY OF FLOWERING PLANTS

    NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)|Exercise Exercise|91 Videos

Similar Questions

Explore conceptually related problems

Which enzyme/s will be produced in a cell in which there is a nonsense mutation in the lac Y gene?

Sickel cell anemia is the result of ________ mutation in the haemoglobin gene

Which one is being produced by genetically altered genes

Gene mutation are those which involve

Sickly-cell anaemia is the result of……….mutation in the haemoglobin gene:

Identify the one, which causes gene mutation

Sickle cell anemia is due to transversion mutation in which :

NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)-MOLECULAR BASIS OF INHERITANCE-EXERCISE
  1. Transformation was discovered by

    Text Solution

    |

  2. The diagram shows an important concept in the genetic implicatio of D...

    Text Solution

    |

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

    Text Solution

    |

  4. Removal of RNA polymerase III from nucleoplasm will affect the synthes...

    Text Solution

    |

  5. Which one of the following is not a part of trasncription unit in DNA

    Text Solution

    |

  6. Ribosomal RNA is synthesised in

    Text Solution

    |

  7. If one strand of DNA has the nitrogenous base sequence as ATCTG, what ...

    Text Solution

    |

  8. Removal of introns and joining of exons in a defined order during tran...

    Text Solution

    |

  9. The structure in chromatin seen as 'beads-on' string' when viewed unde...

    Text Solution

    |

  10. Select the two correct statements out of the four (1-4) given below ab...

    Text Solution

    |

  11. What is not true for genetic code ?

    Text Solution

    |

  12. Whose experiments cracked the DNA and discovered unequivocally that a ...

    Text Solution

    |

  13. Polysome is formed by

    Text Solution

    |

  14. Which one of the following pairs of codons is correctly matched with t...

    Text Solution

    |

  15. A sequential expression of a set of human genes occurs when a steroid ...

    Text Solution

    |

  16. One gene - one enzyme relationship was established for the first time ...

    Text Solution

    |

  17. The Okazaki fragments in DNA chain growth

    Text Solution

    |

  18. Differentiation of organs and tissues in a develping organism, is asso...

    Text Solution

    |

  19. The length of DNA molecile greatly exceeds the dimensions of the nucle...

    Text Solution

    |

  20. Molecular basis of organ differentiation depends on the modulation in ...

    Text Solution

    |