Bloodstream from area of low partial pressure of oxygen

Reference no: EM133651251

Question

Deoxyhemoglobin has a pKa of 7.71 while oxyhemoglobin has a pKa of 7.16. a) If the circulating blood pH is 7.4 which of these species carries more protons? b) What effect do you think that you would see on the protonation level of hemoglobin as it moves through the bloodstream from an area of low partial pressure of oxygen (in the tissue) to an area of high partial pressure of oxygen (at the lungs)? c) Suggest how oxygen binding could alter the pKa of this molecule. d) Suggest a physiological role for this.

Reference no: EM133651251

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