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Under appropriate conditions, hemoglobin dissociates into itsfour subunits. Isolated alpha subunits bind oxygen, but the O2saturation curve is hyperbolic instead of sigmoidal. In addition,the saturation curve is not affected by the presence of H+, CO2, orBPG. What do these observations indicate about the cooperativityand allosterism observed in hemoglobin?
Under appropriate conditions, hemoglobin dissociates into itsfour subunits. Isolated alpha subunits bind oxygen, but the O2saturation curve is hyperbolic instead of sigmoidal. In addition,the saturation curve is not affected by the presence of H+, CO2, orBPG. What do these observations indicate about the cooperativityand allosterism observed in hemoglobin?
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28 Sep 2023