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COPY: Quiz 6
10 Questions
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COPY: Quiz 6

Created by
@PrudentHibiscus

Questions and Answers

Shown below is a replication bubble. At which location is the DNA polymerase adding nucleotides in a continuous manner?

  • A and B
  • C and D
  • A and D (correct)
  • B and C

    • What is the name of the DNA sequence where replication begins?

  • replication origin (correct)
  • initiator
  • replication fork
  • DNA template

    • What is the function of a topoisomerase in DNA replication?

  • It coils the DNA for tighter packaging.
  • It separates the DNA strands.
  • It relieves the tension in DNA strands. (correct)
  • It binds the template DNA to hold in place.

    • How does Polymerase help maintain the accuracy of DNA replication?

    <p>DNA polymerase can cut out improperly base-paired nucleotides and add the correct one during synthesis.</p> Signup and view all the answers

    The bonds that link two DNA strands together are

    <p>hydrogen bonds.</p> Signup and view all the answers

    The sequence at which DNA replication begins tends to have which characteristic?

    <p>AT-rich</p> Signup and view all the answers

    Which double-strand break repair mechanism is a simple ligation mechanism?

    <p>nonhomologous end joining</p> Signup and view all the answers

    How are the primers from which DNA synthesis starts different from the DNA itself?

    <p>The primers are made up of RNA not DNA.</p> Signup and view all the answers

    If a stretch of DNA on the parental strand of a replicating chromosome has the sequence 5′–AGCTCGATCGGCTA–3′, what will the sequence of the newly synthesized strand made from this stretch of template be?

    <p>3′–TCGAGCTAGCCGAT–5′</p> Signup and view all the answers

    The energy for the polymerization reaction in DNA synthesis is powered by

    <p>the breaking of high-energy phosphate bonds in the deoxynucleotides.</p> Signup and view all the answers

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