A-LevelBiologyGas exchange9700/12 · Feb/Mar 2016 · Q301 Mark
The diagram shows the effect of three different concentrations of carbon dioxide on the oxygen dissociation curve for human haemoglobin. What effect does increasing carbon dioxide concentration have on haemoglobin? [Figure 30.1]
This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.
AIt makes it less efficient at taking up oxygen and less efficient at releasing it.
BIt makes it less efficient at taking up oxygen and more efficient at releasing it.
CIt makes it more efficient at taking up oxygen and less efficient at releasing it.
DIt makes it more efficient at taking up oxygen and more efficient at releasing it.
✓ Correct answer
B: It makes it less efficient at taking up oxygen and more efficient at releasing it.
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