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A-LevelBiologyBiological molecules9700/12 · May/June 2020 · Q111 Mark

What occurs during the formation of a peptide bond between two amino acids?

AOH is removed from COOH and H is removed from an R group.
BOH is removed from COOH and H is removed from NH₂.
CH is removed from COOH and OH is removed from an R group.
DO is removed from COOH and 2H is removed from NH₂.

✓ Correct answer

B: OH is removed from COOH and H is removed from NH₂.

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About this question

Topic
Biological molecules, A-Level Biology (syllabus 9700). Multiple choice, 1 mark.
Source
A-Level Biology, May/June 2020 Paper 1 Variant 2, question 11.

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