DNA Damage and Mutation Quiz
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Questions and Answers

What is the result of ROS species binding with guanine?

  • Cytosine
  • Thymine
  • 8-hydroxyl guanosine (correct)
  • Adenine

    • What happens during replication if DNA damage repair system fails to correct the error caused by 8-OHdG?

  • It creates transition mutation
  • It creates transversion mutation (correct)
  • It creates deletion mutation
  • It creates inversion mutation

    • What is the result of UV light attacking thymine bases?

  • Cytosine dimers
  • Adenine dimers
  • Thymine dimers (correct)
  • Guanine dimers

    • What is the effect of thymine dimers on DNA?

    <p>It causes bending of DNA</p> Signup and view all the answers

    What is the function of DNA damage repair enzymes?

    <p>To recognize and correct DNA damage</p> Signup and view all the answers

    What type of mutation is created by thymine dimers if DNA repair enzymes fail to correct the damage?

    <p>Transversion mutation</p> Signup and view all the answers

    What is the result of ROS species binding with cytosine?

    <p>8-hydroxyl cytosine</p> Signup and view all the answers

    What is the effect of 8-OHdG during replication?

    <p>It creates transversion mutation</p> Signup and view all the answers

    What is the result of UV light attacking guanine bases?

    <p>Guanine dimers</p> Signup and view all the answers

    What is the result of ROS species binding with adenine?

    <p>8-hydroxyl adenine</p> Signup and view all the answers

    What is the effect of guanine dimers on DNA?

    <p>It causes twisting of DNA</p> Signup and view all the answers

    What is the function of DNA damage repair system?

    <p>To recognize and correct DNA damage</p> Signup and view all the answers

    What is the result of ROS species binding with guanine?

    <p>8-hydroxyl guanosine</p> Signup and view all the answers

    What happens during replication if DNA damage repair system fails to correct the error caused by 8-OHdG?

    <p>It creates transversion mutation</p> Signup and view all the answers

    What is the result of UV light attacking thymine bases?

    <p>Thymine dimers</p> Signup and view all the answers

    What is the effect of thymine dimers on DNA?

    <p>It causes bending of DNA</p> Signup and view all the answers

    What is the function of DNA damage repair enzymes?

    <p>To recognize and correct DNA damage</p> Signup and view all the answers

    What type of mutation is created by thymine dimers if DNA repair enzymes fail to correct the damage?

    <p>Transversion mutation</p> Signup and view all the answers

    What is the result of ROS species binding with cytosine?

    <p>8-hydroxyl cytosine</p> Signup and view all the answers

    What is the effect of 8-OHdG during replication?

    <p>It creates transversion mutation</p> Signup and view all the answers

    What is the result of UV light attacking guanine bases?

    <p>Guanine dimers</p> Signup and view all the answers

    What is the result of ROS species binding with adenine?

    <p>8-hydroxyl adenine</p> Signup and view all the answers

    What is the effect of guanine dimers on DNA?

    <p>It causes twisting of DNA</p> Signup and view all the answers

    What is the function of DNA damage repair system?

    <p>To recognize and correct DNA damage</p> Signup and view all the answers

    What is the result of ROS species binding with guanine?

    <p>8-hydroxyl guanosine</p> Signup and view all the answers

    What happens during replication if DNA damage repair system fails to correct the error caused by 8-OHdG?

    <p>8-OHdG can create transversion mutation</p> Signup and view all the answers

    What is the name of the mutation caused by purine to pyrimidine change?

    <p>Transversion mutation</p> Signup and view all the answers

    What type of damage does UV light cause to thymine bases?

    <p>Cross-linking of adjacent thymine bases</p> Signup and view all the answers

    What is the result of thymine dimers formation?

    <p>Bending of DNA</p> Signup and view all the answers

    What is the name of the DNA damage repair system that recognizes and corrects errors?

    <p>Excision repair system</p> Signup and view all the answers

    What is the result of failure of DNA damage repair enzymes to correct thymine dimer damage?

    <p>Mutation during replication</p> Signup and view all the answers

    What is the name of the mutation caused by purine to pyrimidine change?

    <p>Transversion mutation</p> Signup and view all the answers

    What is the name of the structural damage caused by thymine dimers?

    <p>Structural damage</p> Signup and view all the answers

    What is the name of the enzyme that recognizes and corrects thymine dimer damage?

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

    What is the name of the mutation caused by pyrimidine to pyrimidine change?

    <p>Transition mutation</p> Signup and view all the answers

    What is the name of the mutation caused by purine to purine change?

    <p>Transition mutation</p> Signup and view all the answers

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