Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN: 9780134580999
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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Question
What does the hemoglobin graph regarding YO2 represent?
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Hemoglobin, also known as hemoglobin, is an iron-containing oxygen-transport metalloprotein found in virtually all vertebrates' red blood cells as well as certain invertebrates' tissues. Blood contains hemoglobin, which transports oxygen from the lungs or gills to the entire body.
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- Under appropriate denaturing conditions, hemoglobin can dissociate into four separate subunits. An isolated alpha subunit binds oxygen, but the O2-saturation curve is hyperbolic rather than sigmoid. In addition, the binding of oxygen to an isolated alpha subunit is not affected by the presence of H+, CO2, or BPG. What do these observations indicate about the source of the cooperativity in hemoglobin?arrow_forwardWhat is the molecular basis for the difference in the electrophorentic pattern between normal hemoglobin A and hemoglobin S?arrow_forward7L.4.2arrow_forward
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