-At what partial pressure of oxygen do half the heme groups in human blood have oxygen bound?
A) 30 mm Hg
B) 100 mm Hg
C) 70 mm Hg
D) 104 mm Hg
E) all of these

Name: -At what partial pressure of oxygen do half the heme groups in human blood have oxygen bound? A) 30 mm Hg B) 100 mm Hg C) 70 mm Hg D) 104 mm Hg E) all of these
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Question

-At what partial pressure of oxygen do half the heme groups in human blood have oxygen bound?
A) 30 mm Hg 
B) 100 mm Hg 
C) 70 mm Hg 
D) 104 mm Hg 
E) all of these

Quizplus · Accepted Answer

The partial pressure of oxygen at which half of the heme groups in hemoglobin are bound to oxygen is known as the P50 value, which is approximately 30 mm Hg for human blood.

-At What Partial Pressure of Oxygen Do Half the Heme