Biology 9700 · AS & A Level · Replication and division of nuclei and cells

Replication and division of nuclei and cells — practice question

The diagram illustrates some links among different nucleic acid bases. Which row is the correct one?

  • A1 adenine, 2 purine, 3 cytosine, 4 pairs with, 5 guanine
  • B1 cytosine, 2 purine, 3 guanine, 4 pairs with, 5 uracil
  • C1 guanine, 2 pairs with, 3 cytosine, 4 pyrimidine, 5 thymine
  • D1 thymine, 2 pairs with, 3 uracil, 4 pyrimidine, 5 adenine

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