A-LevelBiologyGas exchange9700/12 · Oct/Nov 2017 · Q331 Mark
Haemoglobin can bind to carbon dioxide, carbon monoxide and oxygen. 1 carbon dioxide, 2 carbon monoxide, 3 oxygen Which gases share a binding site?
A1, 2 and 3
B1 and 2 only
C1 and 3 only
D2 and 3 only
✓ Correct answer
D: 2 and 3 only
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