DNA Structure And Replication Quiz Questions

14 Questions | Total Attempts: 8503

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Structure Of DNA Quizzes & Trivia

DNA replication is the biological process of producing one identical replica of DNA from one original DNA molecule. Take this quiz and learn more about it!


Questions and Answers
  • 1. 
    • A. 

      Deoxyribonucleic Acid

    • B. 

      Deoxyrinonucleic Acid

    • C. 

      Deoxyribonucleic Antacid

    • D. 

      Deoxyrinonucleic Antacid

  • 2. 
    • A. 

      In humans

    • B. 

      In bacteria

    • C. 

      In red blood cells

    • D. 

      In brain cells

  • 3. 
    Over 99% of our DNA is the same as other humans
    • A. 

      True

    • B. 

      False

  • 4. 
    DNA is a single helical strucutre
    • A. 

      True

    • B. 

      False

  • 5. 
    What makes up the nucleotides of DNA?
    • A. 

      Sugar, Phosphate and Nitrogenous base

    • B. 

      Ribose Sugar, Phosphate and Nitrogenous base

    • C. 

      Sugar, Phosphate and Nickle base

    • D. 

      Deoxyribose Sugar, Phosphorus and Nitrogenous base

    • E. 

      Deoxyribose Sugar, Phosphate and Nitrogenous base

    • F. 

      Cytosine, Thymine, Adenine and Guanine

  • 6. 
    Which of the following are pyrimidines?
    • A. 

      Adenine and cytosine

    • B. 

      Adenine and guanine

    • C. 

      Adenine and thymine

    • D. 

      Cytosine and guanine

    • E. 

      Cytosine and thymine

    • F. 

      Guanine and thymine

  • 7. 
    • A. 

      Adenine and cytosine

    • B. 

      Adenine and guanine

    • C. 

      Adenine and thymine

    • D. 

      Cytosine and guanine

    • E. 

      Cytosine and thymine

    • F. 

      Guanine and thymine

  • 8. 
    • A. 

      Whatever Chargraff's says is correct

    • B. 

      Guanine always binds with Cytosine and Adenine always binds with Thymine

    • C. 

      Guanine always binds with Adenine and Cytosine always binds with Thymine

    • D. 

      Guanine always binds with Thymine and Adenine always binds with Cytosine

    • E. 

      Guanine always binds with Guanine and Adenine always binds with Adenine

  • 9. 
    In the Meselson-Stahl experiment, which model of DNA replication was eliminated by the analysis of DNA isolated from bacteria one replication cycle after shifting from 15N to 14N medium?  
    • A. 

      Semi-conservative

    • B. 

      Conservative

    • C. 

      Dispersive

  • 10. 
    • A. 

      Semi-conservative replication

    • B. 

      Conservative replication

    • C. 

      Dispersive replication

  • 11. 
    • A. 

      It adds nucleotide pairs to the growing DNA strand

    • B. 

      It adds single nucleotides to the growing DNA strand

    • C. 

      It unwinds DNA

    • D. 

      It attaches the RNA primers to the DNA strand

  • 12. 
    How many RNA primers are needed on the leading strand?
    • A. 

      1

    • B. 

      2

    • C. 

      3

    • D. 

      Depends on the length of the DNA

    • E. 

      Infinity

  • 13. 
    DNA always replicates from ___ to ____?
    • A. 

      3' to 5'

    • B. 

      2' to 4'

    • C. 

      4' to 2'

    • D. 

      5' to 3'

    • E. 

      North to South

    • F. 

      South to North

    • G. 

      On end to the other end

  • 14. 
    • A. 

      True

    • B. 

      False