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Transport of Carbon Dioxide

Choose the co...

Question

Choose the correct answer from the alternatives given.
When carbon dioxide binds to haemoglobin, which of the following compounds is formed?

A

Carbonic acid

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B

Hydrogencarbonate ions

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C

Oxyhaemoglobin

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D

Carbaminohaemoglobin

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Solution

The correct option is D Carbaminohaemoglobin
When carbon dioxide binds to hemoglobin, carbaminohaemoglobin is formed. One molecule of hemoglobin can bind to four molecules of carbon dioxide and therefore can transport 4 molecules of carbon dioxide. So, the correct option is 'Carbaminohaemoglobin'.

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