Home
Class 12
BIOLOGY
In the given flow diagram, the replicati...

In the given flow diagram, the replication of retro virus in a host is shown. Observe and answer the following questions.
(a) Fill in (A) and (B)

Text Solution

Verified by Experts

(a)
(b) The virus is called retro virus because it does not follow the central dogma of biology (DNA `rarr`RNA`rarr`Proteins).
Its genetic material is RNA that is transcribed to DNA using enzyme reverse transcriptase.
(c) Yes, the infected cell can survive, while viruses are being replicated and released.
Promotional Banner

Topper's Solved these Questions

  • EVOLUTION

    NCERT EXEMPLAR|Exercise Evolution|52 Videos

  • HUMAN REPRODUCTION

    NCERT EXEMPLAR|Exercise Human Reproduction|48 Videos

Similar Questions

Explore conceptually related problems

In the given flow diagram, the replication of retrovirus in a host is shown. Observe and answer the following questions. (a) Fill in (1) and (2). (b) Why is the virus called retrovirus? (c) Can the infected cell survive while viruses are being replicated and released ?

Study the diagram given below and answer the following questions.

Observe the graph and answer the following questions. The information given by the graph is:

Observe the diagram and answer the questions : State its source.

The following diagram displays a chemical reaction. Observe carefully and answer the following questions : What happens to the silver chloride?

The following diagram displays a chemical reaction. Observe carefully and answer the following questions : Mention one commercial use of this salt.

NCERT EXEMPLAR-HUMAN HEALTH AND DISEASES-Human Health And Diseases
  1. Prevention is better than cure'. Comment.

    Text Solution

    |

  2. Explain any three preventive measures to control microbial infections...

    Text Solution

    |

  3. In the given flow diagram, the replication of retro virus in a host i...

    Text Solution

    |

  4. Maintenance of personal and public hygiene is necessary for preventio...

    Text Solution

    |

  5. The following table shows certain diseases, their causative organisms ...

    Text Solution

    |

  6. The outline structure of a drug is given below. (a) Which group of d...

    Text Solution

    |

  7. Give the full form of CT and MRI. How are they different from each oth...

    Text Solution

    |

  8. Many secondary metabolites of plants have medicinal properties. It is...

    Text Solution

    |

  9. Why cannabinoids are banned in sports and games ?

    Text Solution

    |

  10. What is secondary metabolism ?

    Text Solution

    |

  11. Drugs and alcohol give short-term 'high' and long-term 'damages'.

    Text Solution

    |

  12. Diseases like dysentery, cholera, typhoid, etc., are more common in ov...

    Text Solution

    |

  13. From which plant cannabiniods are obtained? Name any two cannabinoids....

    Text Solution

    |

  14. In the metropolitan cities of India , many children are suffering from...

    Text Solution

    |

  15. What is the basic principle of vaccination ? How do vaccines prevent m...

    Text Solution

    |

  16. What is cancer? How is a cancer cell different from the normal cell ? ...

    Text Solution

    |

  17. A person shows strong unusual hypersensitive reactions when exposed to...

    Text Solution

    |

  18. For an organ transplant, it is an advantage to have an identical twin.

    Text Solution

    |

  19. What are lifestyle diseases ? How are they caused ? Name any two such ...

    Text Solution

    |

  20. If there are two pathogenic viruses, one with DNA and other with RNA, ...

    Text Solution

    |