DNA Nucleotide Structure Quiz Questions

7 Questions | Total Attempts: 1034

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Structure Of DNA Quizzes & Trivia

Questions and Answers
  • 1. 
    How many DNA molecules are in a human cell?
    • A. 

      46

    • B. 

      23

    • C. 

      2

    • D. 

      52

  • 2. 
    The backbone of a DNA molecule is made up of:
    • A. 

      Sugars and phosphates

    • B. 

      Base-pairs

    • C. 

      Adenosine triphosphate

    • D. 

      Enzymes

  • 3. 
    In a DNA molecule, none of the following base-pairs are possible, EXCEPT:
    • A. 

      Cytosine - Adenine

    • B. 

      Guanine - Cytosine

    • C. 

      Thymine - Uracil

    • D. 

      Adenine - Guanine

  • 4. 
    Where is DNA found?
    • A. 

      In the nucleus

    • B. 

      In the cytoplasm

    • C. 

      In endoplasmic reticulum

    • D. 

      In the Golgi Apparatus

  • 5. 
    All of the following are part of a DNA nucleotide, EXCEPT:
    • A. 

      A ribose sugar

    • B. 

      A deoxyribose sugar

    • C. 

      A nitrogenous base

    • D. 

      A phosphate group

  • 6. 
    The building blocks of nucleic acids are called:
    • A. 

      Nucleotides

    • B. 

      Nucleosomes

    • C. 

      Nucleozymes

    • D. 

      Nucleoforms

  • 7. 
    Alleles are different forms of a gene. Which of the following explains how alleles differ?
    • A. 

      The sequence of bases is slightly different.

    • B. 

      The number of bases is slightly different.

    • C. 

      The base pairs bond slightly differently.

    • D. 

      The bases are attached to phosphates, not sugars.

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