Home
Class 12
BIOLOGY
Plasmids are extrachromosomal circular D...

Plasmids are extrachromosomal circular DNA molecules:

A

which have their own point of replication and can replicate independently

B

Which have their own point of replication but cannot replicate dependently

C

Which do not have their own point of replication and cannot replicate independent of bacterial chromosomal DNA

D

None of the above

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • ORGANISM AND ENVIRONMENT

    MODERN PUBLICATION|Exercise EXERCISE|98 Videos

  • REPRODUCTIVE HEALTH

    MODERN PUBLICATION|Exercise EXERCISE|157 Videos

Similar Questions

Explore conceptually related problems

What term is used for an extrachromosomal circular DNA in a bacterial cell ?

In the DNA molecule:

Read the following statements and select the correct ones. (i) Electrophoresis is a technique used for the separation of molecules based on their size and charge. (ii) Plasmids are extra-chromosomal, self-replicating, usually circular, double stranded DNA molecules found naturally in many bacteria and also in some yeast,. (iii) It is not advisable to use an exonuclease enzyme while producing a recombinant DNA molecule. (iv) In EcoRl, the roman numberal I indicates that it was the first enzyme isolated from E.coli A) (i) and (ii) B) (iii) and (iv) C) (i),(ii) and (iv) D) (i),(ii),(iii) and (iv)

Bacteriophages are small, double-stranded extra chromosomal DNA molecules used as vector in RDT.

Primers are 1) chemically synthesised oligonucleotides that are complementary to the regions of DNA 2) chemically synthesised oligonucleotides that are not complementary to the regions of DNA 3) chemically synthesised, autonomously replicating circular DNA molecules 4) specific sequences present on recombinant DNA

How many fragments will be generated on the digestion of a closed circular DNA molecule with a restriction enzyme having six recongnition sites on the DNA ?

Study the following statements regarding mitochondria and select the correct ones. These are the sites of aerobic respiration. (ii) Matrix contains single, circular ds DNA molecule, a few RNA molecules, 70S ribosomes. (iii) Mitochondria divide by fission. (iv) Mitrochondria are fully-autonomous.

MODERN PUBLICATION-PRINCIPLE AND PROCESS OF BIOTECHNOLOGY-EXERCIS
  1. Which of the following is specifically used in genetic engineering ?

    Text Solution

    |

  2. Molecular scissors, which cut DNA at specific site :

    Text Solution

    |

  3. Plasmids are extrachromosomal circular DNA molecules:

    Text Solution

    |

  4. Identify the plasmid

    Text Solution

    |

  5. Natural genetic engineer is :

    Text Solution

    |

  6. What does Bt stand for the popular crop Bt cotton ?

    Text Solution

    |

  7. What is the first step in Southern Blotting technique ?

    Text Solution

    |

  8. An example of gene therapy is :

    Text Solution

    |

  9. The enzyme used for cutting DNA segment in genetic engineering is :

    Text Solution

    |

  10. Widely used tool in genetic engineering of crop plants is :

    Text Solution

    |

  11. Which one of the following hydrolyses internal phosphodiester bonds in...

    Text Solution

    |

  12. There is a restriction endonuclease called EcoRI. What does "co" part ...

    Text Solution

    |

  13. Agarose extracted from sea weeds finds use in :

    Text Solution

    |

  14. Given below is a sample of a portion of DNA strand giving the base seq...

    Text Solution

    |

  15. First hormone prepared by genetic engineering is :

    Text Solution

    |

  16. First biochemical to be produced commercially by microbial colning and...

    Text Solution

    |

  17. c - DNA probes are copied from the messenger RNA molecules with the he...

    Text Solution

    |

  18. Electroporation procedure involves :

    Text Solution

    |

  19. A tumour inducing plasmid widely used in the production of transgenic ...

    Text Solution

    |

  20. Common baterium used in genetic engineering is :

    Text Solution

    |