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Hb A
(Single Best Answer) Question 1: Which one of the following statements about Hemoglobin S (HbS) is not true ?
A) Hemoglobin HbS differs from hemoglobin HbA by the substitution of Val for Glu in position 6 of the beta chain
B) One altered peptide of Hb S migrates faster towards the cathode (-) than the corresponding peptide of HbA
C) Binding of HbS to the deoxygenated HbA can extend the polymer and cause sickling of the red blood cells
D) Lowering the concentration of deoxygenated Hb S can prevent sickling
Answer (Select an option above to get the answer):
(Single Best Answer) Question 2: The type of hemoglobin that has least affinity for 2,3-Diphosphoglycerate (2,3 DPG) or (2,3-BPG) is ?
A) Hb A
B) Hb F
C) Hb B
D) Hb A2
Answer (Select an option above to get the answer):
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