Home
Class 12
BIOLOGY
If Meselson and Stahl's experiment is co...

If Meselson and Stahl's experiment is continued for four generations in bacteria , the ratio of `15N // 15N : 15N // 14N : 14N // 14N` containing DNA in the fourth generation would be :

A

`1:1:0`

B

`1:4:0`

C

`0:1:3`

D

`0:1:7`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • MICROBES IN HUMAN WELFARE

    USHA PUBLICATION|Exercise EXERCISE|35 Videos

  • MOST PROBABLE MODEL

    USHA PUBLICATION|Exercise MOST PROBABLE MODEL |209 Videos

Similar Questions

Explore conceptually related problems

The n/p ratio of 1^(H^1) is:

Free living bacteria that can fix N_2 from soil is:

The experiment on DNA using .^15N isotope prove that its replication is_____.

The number of atoms (n) contained within a cubic cell is :

If X and Y are sets containing m and n elements respectively then what is the total number of function from X to Y ?

Find S_n for the series. 1.5 + 2.6 + 3.7 + …..

USHA PUBLICATION-MOLECULAR BASIS OF INHERITANCE-EXERCISE
  1. While analysing the DNA of an organism a total number of 5386 nucleoti...

    Text Solution

    |

  2. In some viruses , DNA is synthesised by using RNA as template . Such a...

    Text Solution

    |

  3. If Meselson and Stahl's experiment is continued for four generations i...

    Text Solution

    |

  4. If the sequence of nitrogen bases of the coding strand of DNA in a tra...

    Text Solution

    |

  5. The RNA polymerase holoenzyme transcribes :

    Text Solution

    |

  6. If the base sequence of a codon in mRNA is 5' - AUG 3' , the sequence ...

    Text Solution

    |

  7. The amino acid attaches to the tRNA at its :

    Text Solution

    |

  8. To initiate translation , the mRNA first binds to :

    Text Solution

    |

  9. In E. coli , the lac operon gets switched on when :

    Text Solution

    |

  10. Fill In The blank : Protein synthesis is translation of ………………..

    Text Solution

    |

  11. Fill In The blank : Information in DNA in the nucleus is transferred t...

    Text Solution

    |

  12. Fill In The blank : A sequence of three nucleotides in DNA corresponds...

    Text Solution

    |

  13. Fill In The blank : The synthesis of RNA on DNA template is called ………...

    Text Solution

    |

  14. Fill In The blank : Transcription begins when ………………. binds to a promo...

    Text Solution

    |

  15. Fill In The blank : Elongation of RNA polynucleotide chain always take...

    Text Solution

    |

  16. Fill In The blank : Termination signals on DNA template during formati...

    Text Solution

    |

  17. Fill In The blank : Each codon on mRNA consiste of …………………

    Text Solution

    |

  18. Fill In The blank : Activation of amino acids during protein synthesis...

    Text Solution

    |

  19. Fill In The blank : Aminoacyl synthetase enzyme take part in ………………….

    Text Solution

    |

  20. Fill In The blank : Peptidyl and aminoacyl sites are associated with …...

    Text Solution

    |