Home
Class 12
BIOLOGY
The Lac operon "Inducer Lactose" serves ...

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

A

Transacetylase

B

Endonuclease

C

Permease

D

Beta-galactosidase

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • MINERAL NUTRITION

    TRUEMAN BIOLOGY|Exercise MULTIPLE CHOICE QUESTIONS|388 Videos
  • Monera

    TRUEMAN BIOLOGY|Exercise ASSERTION AND REASON|14 Videos

Similar Questions

Explore conceptually related problems

Lac operon is

Lac operon is

Lactose operon produces enzymes

The lac operon consists of

[A] : The enzyme reacts with the substrate forming an enzyme substrate intermediary complex . [R] : The poisoning of any single enzyme involved in a main metabolic chain will make the whole chain inoperative .

Substrate for amylase enzyme is

According to the Lock and Key model, the mechanism of an enzyme catalysed reaction (where E= enzyme , S = substrate , ES = enzyme -substrate activated complex and P = product) is -

The bonds between the enzyme and substrate must be

Explain with suitable diagram in how many ways a drug can bind to the active site of an enzyme thereby preventing a substrate to bind with that enzyme.

Assertion : Enzymes lower the activation energy of the reactant molecule to make its transition into product easier. Reason : Enzymes are highly substrate specific

TRUEMAN BIOLOGY-MOLECULAR BASIS OF INHERITANCE-MCQs
  1. Select the two correct statements out of the four (1-4) given below ab...

    Text Solution

    |

  2. DNA or RNA segment tagged with a radioactive molecule is called :

    Text Solution

    |

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

    Text Solution

    |

  4. DNA finger printing has application in the field of

    Text Solution

    |

  5. The unequivocal proof of DNA as the genetic material came from the stu...

    Text Solution

    |

  6. Which one of the following also acts as a catalyst in a bacterial cell...

    Text Solution

    |

  7. Automated - DNA sequencers are based on method developed by

    Text Solution

    |

  8. Which one of the following represents a palindromic sequence in DNA ?

    Text Solution

    |

  9. Read statements a-d. (a) In transcription, adenine pairs with uracil...

    Text Solution

    |

  10. Which one of the following is a wrong statement regarding mutations

    Text Solution

    |

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

    Text Solution

    |

  12. Given below is the diagrammatic representation of one of the categorie...

    Text Solution

    |

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

    Text Solution

    |

  14. A single strand of nucleic acid tagged with a radioactive molecule is ...

    Text Solution

    |

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

    Text Solution

    |

  16. Which statement is wrong for viruses

    Text Solution

    |

  17. Which of the following statements about genetic code is correct ?

    Text Solution

    |

  18. Which enzyme/s will be produced in a cell in which there is a nonsense...

    Text Solution

    |

  19. Select the correct option:-

    Text Solution

    |

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

    Text Solution

    |