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  4. What is the maximum number of oxygen atoms that a molecule of haemoglobin can bind?

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Q. What is the maximum number of oxygen atoms that a molecule of haemoglobin can bind?

KVPYKVPY 2018

Solution:

The mammalian haemoglobin molecule can bind (carry) up to four oxygen $(O_2)$ molecules which means eight oxygen atoms. Haemoglobin has an oxygen binding capacity of $1.34 \,mL$ $O_{2}$ per gram, which increases the total blood oxygen capacity seventy fold compared to dissolved oxygen in blood