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Oxygen Dissociation Curve

Which of the ...

Question

Which of the following binds irreversibly with haemoglobin?

A

Carbon dioxide

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B

Oxygen

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C

Carbon monoxide

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D

Nitrogen

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Solution

The correct option is C Carbon monoxide
Carbon monoxide has 210 times greater affinity for haemoglobin than Oxygen, as it irreversibly binds with hemoglobin.
So, the correct answer is 'Carbon monoxide'

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