Home
Class 10
BIOLOGY
Explain the double helix structure of DN...

Explain the double helix structure of DNA molecule.

Text Solution

Verified by Experts

(i) The structure of DNA molecule resembles a spirally twisted ladder.
(ii) Each strand of ladder is made up to pentose sugar and phosphate arranged alternatively.
(iii) There are two types of nitrogenous bases namely purines and pyrimidines.
Promotional Banner

Topper's Solved these Questions

  • HEREDITY AND EVOLUTION

    OSWAAL PUBLICATION|Exercise TOPIC - 1 (HEREDITY AND MENDEL.S CONTRIBUTION)(LONG ANSWER TYPE QUESTIONS)|6 Videos
  • HEREDITY AND EVOLUTION

    OSWAAL PUBLICATION|Exercise TOPIC - 2 (ORIGIN OF LIFE AND EVOLUTION)(MULTIPLE CHOICE QUESTION)|1 Videos
  • HEREDITY AND EVOLUTION

    OSWAAL PUBLICATION|Exercise TOPIC - 1 (HEREDITY AND MENDEL.S CONTRIBUTION)(SHORT ANSWER TYPE QUESTIONS - I)|10 Videos
  • CONTROL AND CO-ORDINATION

    OSWAAL PUBLICATION|Exercise NCERT CORNER (Textbook Exercises)|12 Videos
  • HOW DO ORGANISMS REPRODUCE?

    OSWAAL PUBLICATION|Exercise NCERT CORNER (TEXTBOOK EXERCISES)|11 Videos

Similar Questions

Explore conceptually related problems

Give the structure of DNA molecule.

Structure of a DNA molecule is :

Draw the structure of O_(3) molecule.

Draw the structure of BrF_(3) molecule.

Draw the structure of XeF_(2) molecule.

Which is not consistent with double helical structure of DNA?

What are the salient features of double helical structure of DNA?

OSWAAL PUBLICATION-HEREDITY AND EVOLUTION-TOPIC - 1 (HEREDITY AND MENDEL.S CONTRIBUTION)(SHORT ANSWER TYPE QUESTIONS - II)
  1. How is the sex determined in human beings?

    Text Solution

    |

  2. Explain Carl Correns's monohybrid cross in Four O'clock plant with the...

    Text Solution

    |

  3. Explain the double helix structure of DNA molecule.

    Text Solution

    |

  4. (i) Define Genetics. (ii) Who is regarded as the 'Father of Genetics...

    Text Solution

    |

  5. With the help of suitable examples, explain why certain traits cannot ...

    Text Solution

    |

  6. Explain Mendel's experiment with peas on inheritance of characters con...

    Text Solution

    |

  7. List two differences in tabular form between dominant trait and recess...

    Text Solution

    |

  8. List in tabular form, two distinguishing features between the acquired...

    Text Solution

    |

  9. What are chromosomes? Explain how in sexually reproducing organisms th...

    Text Solution

    |

  10. Why cannot the experiences of an individual during its lifetime be pas...

    Text Solution

    |

  11. "A trait may be inherited, but may not be expressed." Justify this sta...

    Text Solution

    |

  12. What is DNA copying? State its importance.

    Text Solution

    |

  13. "A trait may be inherited, but may not be expressed." Justify this sta...

    Text Solution

    |

  14. In human beings, the statistical probability of getting either a male ...

    Text Solution

    |

  15. How do Mendel's experiments show that traits may be dominant or recess...

    Text Solution

    |

  16. (i) Name the unit of inheritance. What is its function? (ii) How are...

    Text Solution

    |

  17. Show inheritance of two characters over two generations by making a cr...

    Text Solution

    |

  18. In a cross between plants with purple flowers and plants with white fl...

    Text Solution

    |

  19. In one of his experiments with pea plants Mendel observed that when a ...

    Text Solution

    |

  20. List three distinguishing features, in tabular form, between acquired ...

    Text Solution

    |