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Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
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WiLLBERT WiLLBERT
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6 years ago
Based on the plot of oxygen saturation versus partial pressure of oxygen, which of the following statements is true?

A) at oxygen pressure >100 mm Hg, hemoglobin dissociates into individual subunits so that it is able to bind oxygen similar to myoglobin
B) at typical resting capillary oxygen pressure of ~30 mm Hg, hemoglobin has only 1 of its 4 oxygen binding sites filled while myoglobin is nearly saturated with oxygen
C) under periods of extreme muscle exertion, capillary oxygen pressure can drop to 10 mm Hg, allowing release of ~90% of oxygen carried by hemoglobin
D) the structure of hemoglobin allows for complete release of oxygen in capillary beds at all times
E) none of the above
Textbook 
Biochemistry

Biochemistry


Edition: 4th
Authors:
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Captain_MorrigCaptain_Morrig
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WiLLBERT Author
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5 years ago
Thanks!
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