Which protein is present in the exoskeleton?

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Question

(B) The exoskeleton of vertebrates (such as hair,nails,and horns) and the outer layer of skin are composed of a tough,fibrous structural protein known

Vedclass · Accepted Answer

Keratin

Vedclass · Answer

(B) The exoskeleton of vertebrates (such as hair,nails,and horns) and the outer layer of skin are composed of a tough,fibrous structural protein known as $Keratin$. $Collagen$ is the most abundant protein in the animal kingdom and is found in connective tissues. $Creatine$ is a nitrogenous organic acid that helps supply energy to cells,primarily muscle cells. $Casein$ is a family of related phosphoproteins commonly found in mammalian milk.

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