DNA Replication Process Overview
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Questions and Answers

What is the role of the DnaA protein in DNA replication?

  • Causing DNA to stretch and separating the strands (correct)
  • Loading the DnaB helicase onto the unwound DNA
  • Binding to the single-stranded regions to prevent rejoining of the strands
  • Breaking the hydrogen bonds between nitrogenous base pairs
  • What is the function of the DnaB helicase in DNA replication?

  • Forming a prepriming complex with the DnaA protein
  • Binding single-stranded DNA-binding proteins (SSBP)
  • Continuing the unwinding of DNA by breaking hydrogen bonds (correct)
  • Preventing the strands from rejoining
  • What is the function of single-strand DNA-binding protein (SSBP) in DNA replication?

  • Loading the DnaB helicase onto the unwound DNA
  • Breaking the hydrogen bonds between nitrogenous base pairs
  • Forming a prepriming complex with DnaA protein
  • Preventing rejoining of the DNA strands (correct)
  • What are replication forks in DNA replication?

    <p>Junctions between double-stranded and unwound single-stranded DNA</p> Signup and view all the answers

    What is the function of the DnaB helicase in DNA replication?

    <p>Continuing the unwinding of DNA by breaking hydrogen bonds</p> Signup and view all the answers

    What is the role of single-strand DNA-binding protein (SSBP) in DNA replication?

    <p>Binding to single-stranded regions to prevent strands from rejoining</p> Signup and view all the answers

    What happens as more DnaA proteins bind to the unwound DNA?

    <p>DnaA proteins are released from the DNA</p> Signup and view all the answers

    What defines a replication bubble in DNA replication?

    <p>Region where DNA appears like a bubble</p> Signup and view all the answers

    What is the primary function of DnaC helicase loader proteins?

    <p>Helping load DnaB helicase onto unwound DNA</p> Signup and view all the answers

    How many replication forks are formed at the origin of replication?

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

    What is the significance of the replication forks in DNA replication?

    <p>They move in opposite directions</p> Signup and view all the answers

    Where do DnaA proteins and DnaB-DnaC complex bind during DNA replication?

    <p>At the origin of replication</p> Signup and view all the answers

    What prevents the DNA strands from rejoining during replication?

    <p>Single-strand DNA-binding protein (SSBP)</p> Signup and view all the answers

    Which protein is responsible for continuing the unwinding of DNA by breaking hydrogen bonds?

    <p>DnaB helicase</p> Signup and view all the answers

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