Discover the Role of DNA Polymerase I in DNA Replication
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Questions and Answers

What is the main function of DNA polymerase I?

  • To remove DNA primer
  • To synthesize RNA primer
  • To proofread and correct nucleotide mismatch errors
  • To remove RNA primer and replace the gap with DNA (correct)
  • Which direction does the 5'→3' exonuclease activity of DNA polymerase I remove RNA primer?

  • Both 5' to 3' and 3' to 5'
  • 3' to 5'
  • 5' to 3' (correct)
  • None of the above
  • What is the role of the 5'→3' polymerase activity of DNA polymerase I?

  • To proofread and correct nucleotide mismatch errors
  • To fill the gap with DNA (correct)
  • To synthesize RNA primer
  • To remove RNA primer
  • Where does DNA polymerase I find the primer it needs for its polymerase activity?

    <p>3’ end of Okazaki fragment</p> Signup and view all the answers

    What is the role of the 3'→5' exonuclease activity of DNA polymerase I?

    <p>To proofread and correct nucleotide mismatch errors</p> Signup and view all the answers

    What is the direction of DNA synthesis during replication?

    <p>5' to 3'</p> Signup and view all the answers

    Which enzyme is responsible for synthesizing RNA primer during DNA replication?

    <p>Primase</p> Signup and view all the answers

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