A-LevelBiologyBiological molecules9700/12 · May/June 2023 · Q91 Mark

Which molecules contain at least two double bonds? [Figure 9.1]

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AThe region representing overlap between sucrose and haemoglobin

BThe region representing overlap between collagen and haemoglobin

CThe region representing overlap between collagen and sucrose

DThe region representing haemoglobin only (not sucrose or collagen)

✓ Correct answer

B: The region representing overlap between collagen and haemoglobin

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Topic: Biological molecules, A-Level Biology (syllabus 9700). Multiple choice, 1 mark.
Source: A-Level Biology, May/June 2023 Paper 1 Variant 2, question 9.

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