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Question

α-keratin is a protein present in

A
Blood
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B
Skin
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C
Lymph
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D
Eggs
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Solution

The correct option is B Skin
α -keratin is a protein present in skin. Keratin is one of a family of fibrous structural proteins. Keratin is the protein that protects epithelial cells from damage or stress that has potential to kill the cell. It is the key structural material making up the outer layer of human skin. It is the key structural component of hair and nails, and it provides the necessary strength and toughness for masticatory organs, such as the tongue and the hard palate. Keratin monomers assemble into bundles to form intermediate filaments, which are tough and form strong unmineralized tissues found in reptiles, birds, amphibians and mammals.

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