DNA Structure and Genetics
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Questions and Answers

What is the direction of DNA synthesis by DNA polymerase III?

  • 5' → 3' (correct)
  • Either direction
  • Both directions
  • 3' → 5'

    • What is the role of RNA primer in DNA replication?

  • To proofread DNA
  • To repair DNA damage
  • To ligate Okazaki fragments
  • To initiate DNA synthesis (correct)

    • What is the function of DNA polymerase I?

  • To ligate Okazaki fragments
  • To synthesize DNA continuously
  • To unwind DNA double helix
  • To remove RNA primer and replace with DNA (correct)

    • What is the name of the enzyme that 'spot welds' Okazaki fragments?

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

    What is the characteristic of DNA synthesis on the leading strand?

    <p>Continuous synthesis</p> Signup and view all the answers

    What is the role of DNA polymerase III in DNA replication?

    <p>To synthesize DNA on the leading strand</p> Signup and view all the answers

    What is the characteristic of DNA synthesis on the lagging strand?

    <p>Discontinuous synthesis</p> Signup and view all the answers

    What is the function of primase in DNA replication?

    <p>To synthesize RNA primer</p> Signup and view all the answers

    What is the direction of Okazaki fragment synthesis?

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

    What is the limitation of DNA polymerase III?

    <p>It can only synthesize DNA in a 5' → 3' direction</p> Signup and view all the answers

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