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How many molecules of oxygen can bind to a molecule of haemoglobin? |
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|
a) |
One |
b) |
Two |
c) |
Three |
d) |
Four |
|
How many molecules of oxygen can bind to a molecule of haemoglobin? |
|||||||
|
a) |
One |
b) |
Two |
c) |
Three |
d) |
Four |
(d)
Each haemoglobin molecule has four iron atoms, each of which can combine with a molecule of oxygen through coordinate bond. Hence, total four molecules of oxygen can bind (or combine) with one molecule of haemoglobin.