Biology 9700 · AS & A Level · The microscope in cell studies

The microscope in cell studies — practice question

In a DNA molecule, which row contains two pairs of nucleotide bases?

  • AFirst base pair: AC, number of hydrogen bonds = $2$; Second base pair: GT, number of hydrogen bonds = $3$
  • BFirst base pair: AC, number of hydrogen bonds = $3$; Second base pair: GT, number of hydrogen bonds = $2$
  • CFirst base pair: AT, number of hydrogen bonds = $2$; Second base pair: GC, number of hydrogen bonds = $3$
  • DFirst base pair: AT, number of hydrogen bonds = $3$; Second base pair: GC, number of hydrogen bonds = $2$

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