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

Structure of nucleic acids and replication of DNA — practice question

What correctly states how many and what kind of bonds link cytosine and guanine in a DNA molecule?

  • A2 hydrogen bonds
  • B2 phosphodiester bonds
  • C3 hydrogen bonds
  • D3 phosphodiester bonds

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