DNA Replication

13 Questions
DNA replication

This is a quiz to see what you know about DNA replication. We used this website for a video: http://207. 207. 4. 198/pub/flash/24/menu. Swf

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Questions and Answers
  • 1. 
    What are the four nitrogen bases for DNA?
    • A. 

      Uracil, Thymine, Adenine, and Guanine

    • B. 

      Cytosine, Thymine, Adenine, Guanine

    • C. 

      Thymine, Adenine, Lytosine, Guanine

    • D. 

      Thymine, Adenise, Guanine, Cytosol

  • 2. 
    DNA replication is ____________________________, with each __________________ acting as a template for the synthesis of a complementary _______________.
  • 3. 
    What enzyme, pictured above, breaks apart the hydrogen bonds between two strands of DNA?
    • A. 

      Polymerase I

    • B. 

      Polymerase III

    • C. 

      Ligase

    • D. 

      Helicase

    • E. 

      Okazaki

  • 4. 
    What is pictured above in the DNA replication process?
    • A. 

      Replication fork

    • B. 

      Replication bubble

    • C. 

      Leading strand

    • D. 

      Lagging strand

    • E. 

      Ligase

  • 5. 
    Which strand grows continuously towards the replication fork?
    • A. 

      Lagging strand

    • B. 

      DNA strand

    • C. 

      RNA strand

    • D. 

      Replicating strand

    • E. 

      Leading strand

  • 6. 
    DNA polymerase III builds new strands from scratch during DNA replication. True or False?
    • A. 

      True

    • B. 

      False

  • 7. 
  • 8. 
    • A. 

      Polymerase III

    • B. 

      Ligase

    • C. 

      Polymerase I

    • D. 

      Helicase

  • 9. 
    The lagging strand is the new strand that grows discontinuously away from the replication fork.
    • A. 

      True

    • B. 

      False

  • 10. 
    What is the name of the fragments of the lagging strand pictured above?
    • A. 

      Binding proteins

    • B. 

      Fragmenting lagging strand

    • C. 

      Okazaki segments

    • D. 

      Coding strands

  • 11. 
    • A. 

      Ligase

    • B. 

      Binding proteins

    • C. 

      Helicase

    • D. 

      Polymerase I

  • 12. 
    The new DNA strand formed after DNA replication is an exact copy of its parent strand. True of False?
    • A. 

      True

    • B. 

      False

    • C. 

      I don't know.

  • 13. 
    To make sure you can remember what you watched, what was the key element that kept the strands from binding back together once seperated?
    • A. 

      Binding proteins

    • B. 

      Ligase

    • C. 

      Helicase

    • D. 

      DNA wall