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)|36 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)|34 Videos

Similar Questions

Explore conceptually related problems

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

The pitch of DNA molecule is

Length of one turn of the helix in a B form DNA is approximately

The base pairing occurs in double helix of DNA is

Two uniform wire are vibrating simultaneously in their fundamental modes. The tensions, lengths, diameters, and the densities of the two wires are in the ratios, 8:1 , 36:35 , 4:1 , 1:2 respectively. If the note of higher pitch has a frequency of 360Hz the number of beats produced per second is

The number of bp in each turn of B-DNA helix is

The synthesis of identical copies of DNA is called replication (or) Duplication of DNA. DNA is duplicated so that the DNA in the New cell is identical to original DNA. Replication of DNA is enzyme catalysed process. In this 2-strands of DNA strats unconding at perticuler region. The desortion of DNA helix due to pyrimidine dimer farmation is called.

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. If a wrong base added, it is removed and then proper base is usually a...

    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. 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

    |