NEET Biology question

Why is carbon monoxide poisonous for man?

(A)It affects the nerves of the lungs
(B)It affects the diaphragm and intercostal muscles
(C)It reacts with oxygen reducing percentage of oxygen in air
(D)Haemoglobin combines with carbon monoxide instead of oxygen and the product cannot dissociateCorrect

Answer: (D)

Solution

Carbon monoxide binds haemoglobin roughly 200–250 times more strongly than oxygen, forming a highly stable carboxyhaemoglobin complex that does not

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Question ID VK-119065