Quiz In Nucleic Acid Structures

10 Questions | Total Attempts: 1126
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Quiz In Nucleic Acid Structures
Questions and Answers
  • 1. 
    Which of the following is NOT found in DNA?
    • A. 

      Uracil

    • B. 

      Thymine

    • C. 

      Adenine

    • D. 

      Cytosine

  • 2. 
    DNA is a polymer of:
    • A. 

      Nucleic acid

    • B. 

      Nucleoside

    • C. 

      Nucleotide

    • D. 

      Bases

  • 3. 
    Choose THREE correct answers. Which of the following is found in RNA
    • A. 

      Cytosine

    • B. 

      Guanine

    • C. 

      Thymine

    • D. 

      Uracil

  • 4. 
    What holds the DNA double strands together?
    • A. 

      Hydrophobic interactions

    • B. 

      H-bonds

    • C. 

      Peptide bonds

    • D. 

      Van der Waal's forces

  • 5. 
    Nucleotides are linked together via:
    • A. 

      H-bonds

    • B. 

      3',5'-phosphoester bonds

    • C. 

      3',5'-phosphodiester bonds

    • D. 

      N1-glycosidic bonds

  • 6. 
    What is the base sequence of the DNA strand that would be complementary to the following single-stranded DNA molecule? 5' GGATCTGATCCAGTCA 3'
  • 7. 
    In addition to the standard organic elements carbon, hydrogen and oxygen, nucleic acids also contain
    • A. 

      Calcium

    • B. 

      Chloride

    • C. 

      Sulfur

    • D. 

      Phosphorus

  • 8. 
    The percent of cytosine in a double-stranded DNA is 21. What is the percent of thymine in that DNA?
  • 9. 
    The percent of adenine in a double-stranded DNA is 38. What is the percent of uracil in that DNA?
  • 10. 
    A nucleotide has how many components?
    • A. 

      1

    • B. 

      2

    • C. 

      3

    • D. 

      4

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