Home
Class 12
BIOLOGY
Assertion : The first restriction endonu...

Assertion : The first restriction endonuclease was Hine II
Reason :Hind II always cut DNA molecules at a particular point by recongnising a specific sequence of six base pairs.

A

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

B

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

C

If assertion is true but reason is false

D

If both assertion and reason are false

Text Solution

Verified by Experts

The correct Answer is:
B
`**` The first restriction endonuclease was Hind-II
`**` Hind-II always cut DNA molecules at a particular point by recognising a specific sequence of six base pairs
Promotional Banner

Topper's Solved these Questions

  • BIOTECHNOLOGY: PRINCIPLES AND PROCESSES

    A2Z|Exercise Section C: PREVIOUS YEARS' EXAMINATION QUESTIONS (NEET/AIPMT Question)|15 Videos

  • BIOTECHNOLOGY: PRINCIPLES AND PROCESSES

    A2Z|Exercise Section C: PREVIOUS YEARS' EXAMINATION QUESTIONS (AIIMS Question)|37 Videos

  • BIOTECHNOLOGY: PRINCIPLES AND PROCESSES

    A2Z|Exercise Section A: Topicwise Questions (topic 5: Obtaining The Foreign Gene Product) Downstream Processing)|9 Videos

  • BIOTECHNOLOGY AND ITS APPLICATION

    A2Z|Exercise Section C : PREVIOUS YEARS' EXAMINATIOIN QUESTIONS (Assertion and Reason Type Questions)|4 Videos

  • ECOSYSTEM

    A2Z|Exercise Section-d Chapter-end Test|50 Videos

Similar Questions

Explore conceptually related problems

EcoRI always cut DNA molecules at a particular point by recognizing a specific sequence between :

Restriction endonuclease Hind II always cuts DNA molecule at a particular point by recognising a specific sequence of

First discovered restriction endonuclease that always cuts DNA molecule at a particular point by recognising a specific sequence of six base pairs is

Hind II always join DNA molecules at specific site by recognising a particular sequence of six base pairs.

Hind-II always cut DNA molecules at a particular point by recognising a specific sequence of six base pairs. This specific base sequence is known as the................ .

Which of the following statements are correct ? (i) Restriction enzymes cut the strand of DNA a little away from the centre of the palindrome site, but between the same two bases on the opposite strands. (ii) Hind ll always cuts DNA molecules at a particular point by reconginisng a specific sequence of six base pairs. (iii) Separated DNA fragments cannot be visualised without staining on an agarose gel electrophoresis. (iv) 'Ori' is the sequence responsible for controlling the copy number. (v) DNA is a positively charged molecule.

EcoRI always cuts DNA molecules at a particluar point by recognizing a specific restriction sequence, the sticky ends fromed after digestion have the sequence

How many statements are correct? (a) Hind II always cut DNA molecules at particular point by recognizing a specific sequence of 6 bases. (b)After the restriction endonuclease action, single stranded portions which are overhanging stretches called sticky ends because they form nucleotide bonds with their complementary cut counter part. (c)The separated bands of DNA are cut out from the agarosegel and extracted from gel piece. This step is known as spooling. (d)Taq polymerase is used between annealing and extension of r-DNA technology.

A2Z-BIOTECHNOLOGY: PRINCIPLES AND PROCESSES-Section B: Assertion-reasoning Questions)
  1. Assertion : Making curd, bread or wine, which are all microbe mediated...

    Text Solution

    |

  2. Assertion : Asexual reproduction preserves the genetic information, w...

    Text Solution

    |

  3. Assertion : Traditional hybridisation procedures used in plant and ani...

    Text Solution

    |

  4. Assertion : If any piece of DNA is somehow transferred into an alien o...

    Text Solution

    |

  5. Assertion : The first restriction endonuclease was Hine II Reason :Hi...

    Text Solution

    |

  6. Assertion : Besides HindII, today we know more than 900 restriction en...

    Text Solution

    |

  7. Assertion : The convention for naming restriction enzymes is the first...

    Text Solution

    |

  8. Assertion : Nucleases enzymes are of two kinds, exonucleases and endon...

    Text Solution

    |

  9. Assertion : Each restriction endonuclease funtions by 'inspecting' the...

    Text Solution

    |

  10. Assertion: Each restriction endonuclease recognises a specific pallind...

    Text Solution

    |

  11. Assertion : Restriction enzymes cut the strand of DNA a little away fr...

    Text Solution

    |

  12. Assertion : Unless one cuts the vector and the foreign/source DNA with...

    Text Solution

    |

  13. Assertion : In gel electrophoresis, DNA fragments can be separated by ...

    Text Solution

    |

  14. Assertion : If one wants to recover many copies of the target DNA it s...

    Text Solution

    |

  15. Assertion : Selectrable markers helps in identifying and eliminating n...

    Text Solution

    |

  16. Assertion : During transformation, in order to force bacteria to take ...

    Text Solution

    |

  17. Assertion : Nucleic acid is the genetic material of all organisms with...

    Text Solution

    |

  18. Assertion : A large scale production of product involves use of biorea...

    Text Solution

    |

  19. Assertion : Restriction enzyme cuts both vector DNA and foreign DNA at...

    Text Solution

    |