Home
Class 12
BIOLOGY
Assertion : DNA polymerase -I acts as pr...

Assertion : DNA polymerase -I acts as proofreader.
Reason : DNA polymerase-I removes mismatched nucleotides.

A

If both the assertion and the reason are true and the reason is a correct explanation of the assertion.

B

If both the assertion and reason are true but the reason is not a correct explanation of the assetion

C

If the assertion is true but the reason is false

D

If the both the assertion and reason are false

Text Solution

Verified by Experts

The correct Answer is:
a
a) DNA polymerase I can also remove thymine dimers produced due to UV irradiation and fill the gap due to exicision. The newly formed segment is sealed by DNA ligase.
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

DNA polymerase helps in

DNA polymerase III catalyses :

DNA polymerase lambda promotes :

DNA polymerase is needed for

The DNA polymerase was investigated by

DNA polymerase I is involved in :-

DNA polymerase is the another name of

The main role of DNA polymerase III is

DNA polymerases catalyse polymerisation of / in

DNA polymerase can be obtained from

ERRORLESS -MOLECULAR BASIS OF INHERITANCE-Molecular Basis Of Inheritance
  1. Assertion : One of the two strands of DNA is called sense strand and o...

    Text Solution

    |

  2. Assertion : Plasmids are extrachromosomal DNA. Plasmids are found in...

    Text Solution

    |

  3. Assertion : DNA polymerase -I acts as proofreader. Reason : DNA pol...

    Text Solution

    |

  4. Assertion :rRNA is a constituent of ribosomes. Reason : rRNA is a co...

    Text Solution

    |

  5. Assertion : An mRNA has both initiation codon and termination codon. ...

    Text Solution

    |

  6. Assertion : DNA fingerprinting involves identifying difference is some...

    Text Solution

    |

  7. Assertion : Ribosomes protect rRNA form ribonuclease. Reason rRNA is...

    Text Solution

    |

  8. Assertion : In prokaryotes, there are three initiation factors used fo...

    Text Solution

    |

  9. Asseration : The bacteria and other prokaryotes show high adaptability...

    Text Solution

    |

  10. Asseration : Replication and trasncription occur in the nucleus but tr...

    Text Solution

    |

  11. Asseration : DNA found in mitochondria and chloroplast are called proc...

    Text Solution

    |

  12. Asseration : Killer strain of Paramecium aurelia can kill sensitive st...

    Text Solution

    |

  13. Asseration : Scaffold proteins are nonhistone chromosomal proteins R...

    Text Solution

    |

  14. Asseration: RNA produced during transcription in eukaryotic cells cann...

    Text Solution

    |

  15. Assertion : Recognition site should be perfectly single and reponsive ...

    Text Solution

    |

  16. During lytic life cell of a virulent DNA phage which of the following ...

    Text Solution

    |

  17. Match the names of the scientists with their contributions and choose ...

    Text Solution

    |

  18. Amino acid binding site of t-RNA is :

    Text Solution

    |

  19. Match list I and II and select the answer using the code given below t...

    Text Solution

    |

  20. Genetic code of nucleic acid depends upon

    Text Solution

    |