DNA Replication Basics Quiz
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Questions and Answers

What is the speed of replication per fork in E. coli?

  • 1500 bp per second
  • 500 bp per second
  • 2000 bp per second
  • 1000 bp per second (correct)

    • How many growing forks emerge from a single origin site during DNA replication?

  • Three
  • Two (correct)
  • One
  • Four

    • What type of DNA molecules have only one replication origin?

  • Linear DNA molecules
  • Circular DNA molecules (correct)
  • Plasmids
  • Viral DNA

    • What is the size of the E. coli replication origin oriC?

    <p>240 bp</p> Signup and view all the answers

    What is the time required for E. coli to replicate its single circular chromosome of 4,639,221 bp?

    <p>42 minutes</p> Signup and view all the answers

    During DNA replication, how does most DNA replication proceed?

    <p>Bidirectionally with both strands being copied at each fork</p> Signup and view all the answers

    What is the average speed of replication per fork in E. coli?

    <p>1000 bp per second</p> Signup and view all the answers

    In which type of DNA molecules do circular DNA molecules present?

    <p>Bacteria, plasmids, and some viruses</p> Signup and view all the answers

    What is the size of the E. coli replication origin oriC?

    <p>≈240 bp</p> Signup and view all the answers

    What is the replication origin oriC rich in?

    <p>Adenine and thymine residues</p> Signup and view all the answers

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