May/June 2026 Paper 23

2026 · 40 questions · 40 parts · 40 marks

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6Dna Structure ReplicationMedium1 mark
The diagram represents part of a DNA molecule. Which base pair is correct?
Four base pairs labelled A to D, each drawn as two interlocking shapes between two strands: A pairs A with A, B pairs A with C, C pairs A with G, and D pairs A with T