Home
Class 12
BIOLOGY
The first genetic material could be :...

The first genetic material could be :

A

Protein

B

Carbohydrates

C

DNA

D

RNA

Text Solution

Verified by Experts

The correct Answer is:
D
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

RNA as genetic material

It is established that RNA is the first genetic material. Explain giving reasons.

The genetic material of HIV is

Choose the correct answer from the choices given under each bit./ Give the answer in one word only. What is the genetic material of HIV ?

What is the genetic material of HIV ?

What is genetic material ? Describe griffth and avery's experiments to prove that DNA is the genetic material.

Regulated unit of genetic material is called :

What is the genetic material of AIDS virus?

What is the genetic material of Human immunodeficiency virus?

USHA PUBLICATION-MOLECULAR BASIS OF INHERITANCE-EXERCISE
  1. Which of the following statements is the most appropriate for sickle c...

    Text Solution

    |

  2. One of the following is true with respect to AUG :

    Text Solution

    |

  3. The first genetic material could be :

    Text Solution

    |

  4. With regard to mature mRNA in eukaryotes :

    Text Solution

    |

  5. The human chromosome with the highest and least number of genes in the...

    Text Solution

    |

  6. Who amongst the following scientists had no contribution the developme...

    Text Solution

    |

  7. DNA is a polymer of nucleotides which are linked to each other by 3' -...

    Text Solution

    |

  8. Discontinuous synthesis of DNA occurs in one strand because :

    Text Solution

    |

  9. Which of the following steps in transcription is catalysed by RNA poly...

    Text Solution

    |

  10. The polymerase that has 5'-3' exonuclease property is known as ..........

    Text Solution

    |

  11. Regulatory proteins are the accessory proteins that interact with RNA ...

    Text Solution

    |

  12. Which was the last human chromosome to be completely sequenced :

    Text Solution

    |

  13. Which of the following are the functions of RNA ?

    Text Solution

    |

  14. While analysing the DNA of an organism a total number of 5386 nucleoti...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  18. The RNA polymerase holoenzyme transcribes :

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |