α-Keratin in hair is a fibrous protein composed almost exclusively of α-helix units that wind together to form a superhelix.

Name: α-Keratin in hair is a fibrous protein composed almost exclusively of α-helix units that wind together to form a superhelix.
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Quizplus · Accepted Answer

α-Keratin, found in hair, is indeed a fibrous protein that primarily consists of α-helix structures. These helices wind around each other to form a superhelical arrangement, contributing to the strength and elasticity of hair.

α-Keratin in Hair Is a Fibrous Protein Composed Almost Exclusively