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DNA Double Helix Complementary Sequences Quiz
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DNA Double Helix Complementary Sequences Quiz

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Questions and Answers

What is the convention for writing DNA sequences?

  • From phosphate end to hydroxyl end
  • From left to right
  • From 3' end to 5' end
  • From 5' end to 3' end (correct)
  • What is the functional group attached to the 3' carbon of deoxyribose in a nucleotide?

  • Phosphate
  • Amino
  • Carboxyl
  • Hydroxyl (correct)
  • What is the molecular weight of deoxyadenosine 5'-phosphate?

  • 347.2
  • 267.2
  • 331.2 (correct)
  • 135.1
  • What is the classification of adenine and guanine in DNA?

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

    What is the type of linkage between nucleotides in a polynucleotide?

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

    What is the ionization state of hydroxyls bound to phosphate at physiological pH?

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

    What is the direction of base pairing in DNA?

    <p>Purine-pyrimidine</p> Signup and view all the answers

    What is the structure of adenine and guanine derived from?

    <p>A double-ringed structure</p> Signup and view all the answers

    What is the functional group attached to the 5' carbon of deoxyribose in a nucleotide?

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

    What is the classification of cytosine and thymine in DNA?

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

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