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Question

Which one is the major globin present in adult human being

A
α2,β2
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B
α2,ε2
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C
α2,γ2
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D
α2,ε2.
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Solution

The correct option is A α2,β2
Beta globin is a globin protein, which along with alpha globin (HBA), makes up the most common form of haemoglobin in adult humans, the HbA. It is 146 amino acids long and has a molecular weight of 15,867 Da. Hb A (α2β2) is the major component of hemoglobin in normal adults, usually comprising about 97% of the total hemoglobin.
So, the correct answer is 'α2,β2.'

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