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

Structure of nucleic acids and replication of DNA — practice question

A DNA molecule with two strands was examined, and adenine made up 29% of its nucleotide bases. What percentage of its nucleotide bases is cytosine?

  • A$21\%$
  • B$29\%$
  • C$42\%$
  • D$58\%$

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