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One haemoglobin carries how many molecul...

One haemoglobin carries how many molecules of `O_(2)` ?

A

`4`

B

`2`

C

`6`

D

`8`

Text Solution

Verified by Experts

The correct Answer is:
A
Hb contains a protein portion called globin and a pigment portion called heam. The heam portion consists of four atoms of iron, each capable of combining with a molecule of `O_(2)`, Thus, one Hb carries `4` molecules of `O_(2)`.
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NCERT FINGERTIPS-BREATHING AND EXCHANGE OF GASES-Breathing And Exchange Of Gases
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