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A-LevelBiologyGas exchange9700/12 · Feb/Mar 2018 · Q321 Mark

What can combine with the haem group of a haemoglobin molecule? 1 oxygen 2 carbon dioxide 3 carbon monoxide

A1, 2 and 3
B1 and 3 only
C2 and 3 only
D3 only

✓ Correct answer

B: 1 and 3 only

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About this question

Topic
Gas exchange, A-Level Biology (syllabus 9700). Multiple choice, 1 mark.
Source
A-Level Biology, Feb/Mar 2018 Paper 1 Variant 2, question 32.

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