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A-LevelBiologyBiological molecules9700/12 · Oct/Nov 2025 · Q101 Mark

Which bonds between amino acids hold the shape of the secondary structure and also the tertiary structure of proteins?

Apeptide bonds
Bdisulfide bonds
Chydrogen bonds
Dionic bonds

✓ Correct answer

C: hydrogen bonds

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About this question

Topic
Biological molecules, A-Level Biology (syllabus 9700). Multiple choice, 1 mark.
Source
A-Level Biology, Oct/Nov 2025 Paper 1 Variant 2, question 10.

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