Home
Class 12
BIOLOGY
A bacterium with completely radioactive ...

A bacterium with completely radioactive DNA was allowed to replicate in a non- radioactive medium for two generation what `%` of the bacteria should contain radioactive DNA:-

A

1

B

0.5

C

0.25

D

0.125

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • GENE, ITS EXPRESSION AND REGULATION

    ARIHANT NEET|Exercise Chapter Exercise (B) Medical entrance s special format questions (Statement based Questions )|13 Videos

  • GENE, ITS EXPRESSION AND REGULATION

    ARIHANT NEET|Exercise Chapter Exercise (B) Medical entrance s special format questions (Assertion reason)|8 Videos

  • GENE, ITS EXPRESSION AND REGULATION

    ARIHANT NEET|Exercise Check point 8.4|20 Videos

  • FUNGI

    ARIHANT NEET|Exercise Chapter exercise C ( Medical entrances gallery (Collection of question asked in NEET & various Medical Entrance Exams )|29 Videos

  • GROWTH, REGENERATION AND AGEING

    ARIHANT NEET|Exercise Chapter exercises (Medical entrances gallery)|11 Videos

Similar Questions

Explore conceptually related problems

A bacterium with completely radioactive DNA was allowed to reclicate in a non- radioactive medium for two generation what % of the bacteria should contain radioactive DNA:-

Escherichia coli with completely radioactive DNA was allowed to replicate in nonradioactive medium for two generations. Percentage of bacteria with radioactive DNA is :

A completely radio active DNA was allowed to replicate in non radio medium for two generations. Percentage of radioactive DNA is after process :-

E.coli with dsDNA labeled with radioactive thymidine, allowed to replicates in a simple nutrient medium for two - generation. What will be the percentage of bacteria containing only non-radioactive DNA ?

E. coil with completely N^(15) DNA was allowed to replicate in N^(14) medium for two generations. Percentage of bacteria with heavy DNA will be

If a completely radioactive double - stranded DNA molecule undergoes two rounds of replication in a non - radioactive medium, what will be the radioactive status of the four resulting molecules ?

A completely radioactive double standed DNA molecule undergoes two round of raplication in a non radioactive medium. What will be the radioactive status of the foour daughter molecues :-

A DNA molecule in which both strands have radioactive thymidine is allowed to duplicate in an environment containing non- radioactive thymidine. What will be the exact number of DNA molecules that contains the radio active thymidine after 3 duplications -

ARIHANT NEET-GENE, ITS EXPRESSION AND REGULATION-Chapter Exercise (A) Taking it together (Assorted questions of the Chapter for Advanced Level Practice
  1. Which of the following is not true for an anticodon?

    Text Solution

    |

  2. In E. coli, tryptophan switches off the trp operon by

    Text Solution

    |

  3. A bacterium with completely radioactive DNA was allowed to replicate i...

    Text Solution

    |

  4. RNA and DNA were artificially synthesised in vitro by

    Text Solution

    |

  5. There are 64 codons in genetic code dictionary because

    Text Solution

    |

  6. A songle anticodon can recognize more than one codon of m-RNA. This ph...

    Text Solution

    |

  7. What becomes established from the wooble hypothesis

    Text Solution

    |

  8. In order to enable a chemical to serve as a genetic material , it is e...

    Text Solution

    |

  9. In the absence of beta- galactosides, transcription of

    Text Solution

    |

  10. The complex CAP-c-AMP, which increases the affinity of RNA polymerase ...

    Text Solution

    |

  11. If following is the sequence of nucleotides in mRNA , predict the sequ...

    Text Solution

    |

  12. In a transcription unit, the activity of RNA polymerase at a given pro...

    Text Solution

    |

  13. Which of the following statements is correct?

    Text Solution

    |

  14. The gene, which producers mRNA has specific start and stop signals, wh...

    Text Solution

    |

  15. RNA polymerase

    Text Solution

    |

  16. UAA, UAG and UGA are known as non - sense codons because they

    Text Solution

    |

  17. Genetic material is

    Text Solution

    |

  18. Transfer RNA

    Text Solution

    |

  19. Translocation involves

    Text Solution

    |

  20. Changes in a polypeptide after translation may involve the

    Text Solution

    |