A-LevelBiologyTransport in mammals9700/12 · Oct/Nov 2010 · Q101 Mark

When red cells leave the lungs, haemoglobin is 98% saturated. How many molecules of oxygen will be carried by the majority of haemoglobin molecules?

✓ Correct answer

B: 4

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Topic: Transport in mammals, A-Level Biology (syllabus 9700). Multiple choice, 1 mark.
Source: A-Level Biology, Oct/Nov 2010 Paper 1 Variant 2, question 10.

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