Biology 9700 · AS & A Level · Structure of nucleic acids and replication of DNA

Structure of nucleic acids and replication of DNA — practice question

At times, hydrogen bonds are made briefly between the bases on two RNA strands. How many hydrogen bonds are produced when guanine and uracil each pair with their complementary base?

  • Aguanine 3, uracil 3
  • Bguanine 3, uracil 2
  • Cguanine 2, uracil 3
  • Dguanine 2, uracil 2

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