Unravel the Mystery of DNA Replication
36 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the process called when each strand of DNA serves as a template for the replication of a new complementary strand?

  • Dispersive replication
  • Conservative replication
  • Semiconservative replication (correct)
  • Asymmetric replication

    • Which strand of the parent double helix is conserved in each new DNA molecule during replication?

  • The leading strand is conserved
  • Neither strand is conserved
  • Both strands are conserved
  • One strand is conserved (correct)

    • What is the site called where DNA replication begins in prokaryotes?

  • Origin of transformation
  • Origin of replication (correct)
  • Origin of translation
  • Origin of transcription

    • What is the length of the ori site in prokaryotes?

    <p>245 bp</p> Signup and view all the answers

    What is the main reason why the ori site in prokaryotes contains A/T-rich sequences?

    <p>To make it easier to break the hydrogen bonds between base pairs</p> Signup and view all the answers

    What protein binds onto the Ori site in prokaryotes during DNA replication?

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

    What does the DnaA protein do during DNA replication in prokaryotes?

    <p>It synthesizes new DNA strands</p> Signup and view all the answers

    How many replication forks are created during DNA replication in prokaryotes?

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

    What is the shape of the replication fork during DNA replication in prokaryotes?

    <p>Y-shaped</p> Signup and view all the answers

    What is the direction of replication during DNA replication in prokaryotes?

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

    Which regions of DNA are relatively weaker to break during DNA replication in prokaryotes?

    <p>A/T-rich regions</p> Signup and view all the answers

    What is the role of the DnaB protein during DNA replication in prokaryotes?

    <p>It unwinds the double helix</p> Signup and view all the answers

    What is the process called when each strand of DNA serves as a template for the replication of a new complementary strand?

    <p>Semiconservative replication</p> Signup and view all the answers

    Which strand of the parent double helix is conserved in each new DNA molecule during replication?

    <p>One strand is conserved</p> Signup and view all the answers

    What is the site called where DNA replication begins in prokaryotes?

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

    What is the length of the ori site in prokaryotes?

    <p>245 bp</p> Signup and view all the answers

    What is the main reason why the ori site in prokaryotes contains A/T-rich sequences?

    <p>To make it easier to break the hydrogen bonds between base pairs</p> Signup and view all the answers

    What protein binds onto the Ori site in prokaryotes during DNA replication?

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

    What does the DnaA protein do during DNA replication in prokaryotes?

    <p>It synthesizes new DNA strands</p> Signup and view all the answers

    How many replication forks are created during DNA replication in prokaryotes?

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

    What is the shape of the replication fork during DNA replication in prokaryotes?

    <p>Y-shaped</p> Signup and view all the answers

    What is the direction of replication during DNA replication in prokaryotes?

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

    Which regions of DNA are relatively weaker to break during DNA replication in prokaryotes?

    <p>A/T-rich regions</p> Signup and view all the answers

    What is the role of the DnaB protein during DNA replication in prokaryotes?

    <p>It unwinds the double helix</p> Signup and view all the answers

    Which of the following statements is true about DNA replication?

    <p>Only one strand of the parent double helix is conserved in each new DNA molecule.</p> Signup and view all the answers

    What is the function of the ori site in prokaryotic DNA replication?

    <p>To provide a site for the binding of the replication machinery.</p> Signup and view all the answers

    Why is the ori site mostly composed of A/T-rich sequences?

    <p>Because A/T-rich sequences are more easily broken than G/C-rich sequences.</p> Signup and view all the answers

    What is the role of DnaA protein in DNA replication?

    <p>To bind onto the ori site and stretch the double strand DNA each other.</p> Signup and view all the answers

    What is the structure created by the binding of DnaA protein to the ori site?

    <p>A replication bubble.</p> Signup and view all the answers

    How many replication forks are created during DNA replication in prokaryotes?

    <p>Two replication forks.</p> Signup and view all the answers

    What is the direction of replication in prokaryotes?

    <p>Bidirectional.</p> Signup and view all the answers

    What is the role of RNA primers in DNA replication?

    <p>To provide a 3'-OH group for DNA polymerase to add nucleotides.</p> Signup and view all the answers

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

    <p>To synthesize new DNA strands.</p> Signup and view all the answers

    What is the function of DNA gyrase in DNA replication?

    <p>To relieve the tension caused by the unwinding of the double helix.</p> Signup and view all the answers

    What is the role of DNA ligase in DNA replication?

    <p>To join the Okazaki fragments on the lagging strand.</p> Signup and view all the answers

    What is the difference between the leading and lagging strands in DNA replication?

    <p>The leading strand is synthesized continuously, while the lagging strand is synthesized in short fragments.</p> Signup and view all the answers

    More Like This

    Unravel the Mystery of DNA
    15 questions

    Unravel the Mystery of DNA

    CourteousEpiphany avatar
    CourteousEpiphany
    Unravel the Mystery
    1 questions

    Unravel the Mystery

    ZippyStrength avatar
    ZippyStrength
    Unravel the Mystery of Friday the 13th
    5 questions

    Unravel the Mystery of Friday the 13th

    AdmirableCommonsense avatar
    AdmirableCommonsense
    Unravel the Mystery of 'Ma' (2019)
    10 questions

    Ma Quiz: Test Your Knowledge on the 2019 Film

    LawfulPrairieDog avatar
    LawfulPrairieDog
    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser