A-LevelBiologyNucleic acids and protein synthesis9700/12 · May/June 2015 · Q221 Mark

The diagram shows part of a DNA molecule. How many hydrogen bonds are involved in holding these strands of DNA together?

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A11

✓ Correct answer

A: 11

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Topic: Nucleic acids and protein synthesis, A-Level Biology (syllabus 9700). Multiple choice, 1 mark.
Source: A-Level Biology, May/June 2015 Paper 1 Variant 2, question 22.

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