Sickle-cell anemia results when valine replaces glutamate at position 6 of the -globin subunit of hemoglobin. The sickling seen in red blood cells with the defective hemoglobin subunit affects the

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structure of the heme group found in hemoglobin

  

need for dietary iron

  

primary structure of hemoglobin

  

ability of oxygen and hydrogen to form hydrogen bonds

 

asked Dec 25, 2012 in Biology by anonymous
    

1 Answer

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primary structure of hemoglobin

 

answered Dec 25, 2012 by anonymous

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