Test Your Knowledge on DNA Cloning
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Questions and Answers

Which of the following is true about a recombinant DNA molecule?

  • It is introduced into a cloning vector
  • It is a single-stranded DNA molecule
  • It is produced by host cell replication
  • It is formed by ligation of two or more DNA molecules (correct)

    • What is the purpose of a cloning vector in the process of DNA cloning?

  • To introduce the recombinant DNA molecule into a host cell
  • To produce multiple copies of the recombinant DNA molecule (correct)
  • To insert the DNA fragment to be cloned
  • To ligate the DNA molecules together

    • What is the end result of introducing a recombinant DNA molecule into a host cell?

  • The recombinant DNA molecule replaces the host cell's DNA
  • The host cell destroys the recombinant DNA molecule
  • The host cell divides and passes copies of the recombinant DNA molecule to progeny (correct)
  • The host cell produces a new DNA molecule

    • The vector directs the multiplication of the recombinant DNA molecule producing several identical ______

    <p>(copies)</p> Signup and view all the answers

    Large number of cell divisions give rise to a ______ of cells each containing multiple copies of the recombinant DNA molecule.

    <p>(clone or colony)</p> Signup and view all the answers

    The recombinant DNA molecule is introduced into a ______ cell (mostly E.coli).

    <p>(host)</p> Signup and view all the answers

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