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PART - 2 - Unit V : CH - 14 Breathing and Exchange of Gases — BIOLOGY STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceBIOLOGYPART - 2 - Unit V : CH - 14 Breathing and Exchange of Gases2 Marks
Question
Why are less H+ added to HbO as compared to reduced Hb?
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Answer

Due to increase in pCO2, the liberation of O2 from HbO2 occurs easily and the O2-Hb dissociation cycle gets shifted to the right. This is called Bohr's effect. This is considered an important factor in O2 transportation. The reason for this effect is H+ obtained from organic acids. CO2 dissolves with water to form H2CO3. This acid dissociates and produces H+.

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