Home
Class 12
BIOLOGY
Diameter and pitch per turn of helix of ...

Diameter and pitch per turn of helix of 'A' model of DNA is

A

26 Å & 25 Å

B

20 Å & 34 Å

C

18 Å & 46 Å

D

19 Å & 20 Å

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • MOLECULAR BASIS OF INHERITANCE

    AAKASH SERIES|Exercise Exercise-II (DNA finger printing)|10 Videos

  • MOLECULAR BASIS OF INHERITANCE

    AAKASH SERIES|Exercise Exercise-III (Previous AIPMT/NEET Questions)|35 Videos

  • MOLECULAR BASIS OF INHERITANCE

    AAKASH SERIES|Exercise Exercise-I (DNA finger printing)|22 Videos

  • MINERAL NUTRITION

    AAKASH SERIES|Exercise Exercise - III|52 Videos

  • NEURAL CONTROL AND COORDINATION

    AAKASH SERIES|Exercise EXERCISE-III( PREVIOUS AIPMT / NEET QUESTIONS)|33 Videos

Similar Questions

Explore conceptually related problems

Length of one turn of DNA is

In which year James D. Watson and Francis Crick published their first paper on the double-helix model of DNA?

Name the scientists who gave double helix model of DNA. Explain the structure with the help of a well labelled diagram.

Describe the salient features of the double helical model of DNA.

In .Z. DNA, pitch of each turn of helix is

The pitch of DNA molecule is

The double helix model of DNA was proposed by

In double helix of DNA, the two DNA strands are

Base pairs present in one helix of DNA in a B DNA are

Pitch of alpha -helix of a polypeptide is

AAKASH SERIES-MOLECULAR BASIS OF INHERITANCE-Exercise-II
  1. A piece of nucleic acid used to find the sequence of bases in a gene, ...

    Text Solution

    |

  2. In .Z. DNA, pitch of each turn of helix is

    Text Solution

    |

  3. Diameter and pitch per turn of helix of 'A' model of DNA is

    Text Solution

    |

  4. The double helical molecular model of DNA was given by Watson and Cric...

    Text Solution

    |

  5. Proteins that help to open up DNA helix in front of the replication fo...

    Text Solution

    |

  6. Eukaryotes differ from prokaryotes in the mechanism of DNA replication...

    Text Solution

    |

  7. Which of the following genetic units moves from one chromosome to anot...

    Text Solution

    |

  8. If 50 heavy DNA (N^(15)) molecules are replicated 2 times in N^(14) me...

    Text Solution

    |

  9. Taylor experiment on Vicia faba (faba bean) root tips using autoradiog...

    Text Solution

    |

  10. Which one of the following ratios is variable but constant for a speci...

    Text Solution

    |

  11. All the body cells are of same origin and therefore, have same genes, ...

    Text Solution

    |

  12. The wrong base if added, is removed and proper base is usually added d...

    Text Solution

    |

  13. RNA polymerase, discovered by Ochoa (1953) is a holoenzyme and has how...

    Text Solution

    |

  14. The number of start codons and stop codons in a genetic code are

    Text Solution

    |

  15. If a triplet on template DNA is AAA, what will be the anticodon on tRN...

    Text Solution

    |

  16. Who suggested that diseases are caused by inborn errors of metabolism?

    Text Solution

    |

  17. An auxotroph is

    Text Solution

    |

  18. Which one of the following is not uniform in all DNA molecules?

    Text Solution

    |

  19. In many cells ribosomes occur in chains along messenger RNA. What is t...

    Text Solution

    |

  20. Which of the following statements is wrong?

    Text Solution

    |