All of the follwing facilitates the release of O2 from haemoglobin except:
Correct answer: B. High pH
- A. High CO2 concentration
- B. High pH
- C. High temprature
- D. High acitidy
Explanation
The hemoglobin molecule has four binding sites for oxygen molecules: the iron atoms in the four heme groups. Thus, each Hb tetramer can bind four oxygen molecules. From the molecular weight of Hb, one can calculate that 1 g of Hb can combine with 1.39 ml of oxygen.
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