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

Structure of nucleic acids and replication of DNA — practice question

Which of these statements about nucleotides is correct?

  • AAdenine and guanine are pyrimidines.
  • BATP is a phosphorylated nucleotide.
  • CPurines have a single ring structure.
  • DUracil replaces cytosine in RNA.

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