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 fragment, 19 base pairs in length, was examined to determine the number of nucleotide bases in each polynucleotide strand. Some results are shown. How many cytosines were present in strand 1?

  • A2
  • B3
  • C5
  • D7

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