CAIE A-Level Biology AS 6.1.4 Dna Double Helix Structure Questions
Explain DNA double-helix structure, complementary base pairing and hydrogen bonding using evidence from each question and mark scheme.
- Syllabus
- 2028–2030
- Course
- Biology 9700
- Level
- AS
Exam points
- Explain the structure of the DNA double helix, including complementary base pairing and hydrogen bonding.
CAIE A-Level Biology AS 6.1.4 Dna Double Helix Structure Questions question 1
DNA and RNA are polynucleotides.
Scientists have synthesised four synthetic bases, Z, P, S and B . The base pairings of the synthetic bases are shown in Fig. 6.1.
Fig. 6.1
State and explain which DNA base pair is most similar to the synthetic base pairs in Fig. 6.1.
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