Ch.7-1 What Does DNA Look Like

10 Questions | Total Attempts: 289

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DNA Quizzes & Trivia

Ch. 7 section 1 Quiz


Questions and Answers
  • 1. 
    Deoxyribonucleic acid or ________________ is the material that contains the information that determines the traits a living thing inherits.
    • A. 

      Nucleotide

    • B. 

      DNA

    • C. 

      Thymine

    • D. 

      Cytosine

  • 2. 
    ____________________ is one of the four possible bases in a string of DNA and it pairs with adenine.
    • A. 

      Nucleotide

    • B. 

      DNA

    • C. 

      Thymine

    • D. 

      Cytosine

  • 3. 
    __________________ is a subunit of DNA that consists of a sugar, a phosphate, and a nitrogenous base.
    • A. 

      Nucleotide

    • B. 

      DNA

    • C. 

      Thymine

    • D. 

      Cytosine

  • 4. 
    _____________________ is the complementary base to guanine.
    • A. 

      Nucleotid

    • B. 

      DNA

    • C. 

      Thymine

    • D. 

      Cytosine

  • 5. 
    What letters represent the four bases?
    • A. 

      A, B, C, D

    • B. 

      W, X, Y, Z

    • C. 

      A, T, G, C

    • D. 

      E, Y, A, O

  • 6. 
    Using X-ray diffraction, what did Rosalind Franklin show the shape of DNA to be?
    • A. 

      A circle

    • B. 

      A spiral

    • C. 

      A square

    • D. 

      A line

  • 7. 
    Watson and Crick built a DNA model like a
    • A. 

      Long, twisted ladder

    • B. 

      Piece of twine

    • C. 

      Straight line

    • D. 

      Pyramid

  • 8. 
    The sides of the DNA "ladder" are made of
    • A. 

      Guanine and thymine.

    • B. 

      Adenine and cytosine.

    • C. 

      Sugar and phosphate

    • D. 

      Helixes and twists.

  • 9. 
    The "rungs" of the DNA ladder are
    • A. 

      A pair of bases

    • B. 

      A pair of sugars

    • C. 

      A pair of phosphates

    • D. 

      A set of proteins

  • 10. 
    To be copied, a DNA molecule splits
    • A. 

      Across the top

    • B. 

      Down the middle

    • C. 

      Along the sides

    • D. 

      Along the phosphates