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 segment 19 base pairs in length was studied to determine the number of nucleotide bases in each polynucleotide strand. Some of the results are shown. How many nucleotides containing C were present in strand 1?

  • A2
  • B3
  • C5
  • D7

Worked solution & mark scheme

This 1-mark question has a full step-by-step worked solution and mark scheme.

  • Full mark scheme, point by point
  • Step-by-step worked solution
  • Write your answer & get it marked instantly by AI