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Question
Nails, hair and feathers are made of
Nails, hair and feathers are made of
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Solution
The correct option is C Keratin
Keratin is a simple fibrous protein, which is made up of only amino acids. It forms external protective structures of animals like hair, feathers, nails, horny layer of skin. Thus, the correct answer is B.
Keratin is a simple fibrous protein, which is made up of only amino acids. It forms external protective structures of animals like hair, feathers, nails, horny layer of skin. Thus, the correct answer is B.
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