The protein that accumulates to form claws,horns,hooves,and nails is

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Keratin is the protein that accumulates to form claws, horns, hooves, and nails. It is a tough, fibrous protein that provides strength, durability, and waterproofing to these structures in animals. Microtubulin is a protein involved in cell division, sclerotin is a type of structural protein found in the exoskeletons of certain insects, carotene is a pigment that gives vegetables their orange color, and chitin is a structural polysaccharide found in the exoskeletons of arthropods and in the cell walls of some fungi.

The Protein That Accumulates to Form Claws,horns,hooves,and Nails Is