ABDOMINAL
THALASSEMIA
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Hgb = rings + chains + 4 atoms 1 hemoglobin molecules
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4 porphyrin
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4 globin
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iron
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carries 4 O2
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Explanation:
Detailed explanation-1: -Each haem group has an iron molecule. The oxygen binds to the iron molecule. Since there are four iron molecules, each haemoglobin is capable of carrying four oxygen molecules.
Detailed explanation-2: -A hemoglobin molecule is made up of four polypeptide chains, two alpha chains of 141 amino acid residues each and two beta chains of 146 amino acid residues each. In the complete molecule, four subunits are closely joined, as in a three-dimensional jigsaw puzzle, to form a tetramer.
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