DNA Structure and Function
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Questions and Answers

What is the primary function of DNA?

  • Serving as a structural component of cell membranes
  • Carrying genetic instructions for development and reproduction (correct)
  • Facilitating protein synthesis
  • Regulating metabolic processes

    • Which of the following is NOT a nitrogen-containing nucleobase in DNA?

  • Uracil (U) (correct)
  • Thymine (T)
  • Guanine (G)
  • Cytosine (C)

    • What type of bond is responsible for joining nucleotides in a DNA strand?

  • Hydrogen bond
  • Ionic bond
  • Van der Waals bond
  • Covalent bond (correct)

    • Which macromolecule is NOT essential for all known forms of life?

    <p>Enzymes</p> Signup and view all the answers

    Which nucleobases form complementary pairs in a DNA double helix?

    <p>Adenine with Thymine and Cytosine with Guanine</p> Signup and view all the answers

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