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Question: question 5 the myoglobin in skeletal muscle because of its...

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QUESTION 5 The myoglobin in skeletal muscle, because of its higher affinity for oxygen relative to hemoglobin, helps to draw oxygen into the tissue and hold it in reserve for bursts of energy. The oxygen binding curves below show the relationship between myoglobin, normal hemoglobin (Hb A), and Hb Cowtown at pH 7.4 and pH 7.2. Estimate the additional fraction of hemoglobin-bound oxygen that becomes available for myoglobin binding when resting muscle (pH 7.4) becomes active (pH 7.2) in individuals with normal or mutated Hb. normal Hb Hb Cowtown Muscle 096 Lung po Mb 1596 309% 459% 609 759% Hb A or Hb Cowtown, pH 7.4 e 0.8 Hb Cowtown, ph 7.2 l 0.6 0,4 10096 po, (torr)
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