How many oxygen atoms can Haemoglobin carry?
Correct answer: B. 8
- A. 4
- B. 8
- C. 2
- D. 1
Explanation
Hemoglobin consists of 4 polypeptide chains and there is one haem group in each chain which can hold one oxygen molecule (two atoms), thus one hemoglobin molecule can carry eight oxygen atoms.
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