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What are feathers composed of

What are feathers composed of
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What are feathers composed of

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User Karel Kubat
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2 Answers

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Feathers are composed of beta-keratins, they are protein strands with hydrogen bonded to beta-pleated sheets and they are further cross-linked by disulphide bridges into an even tougher structure.
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User Maxspan
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4 votes
feathers are made from the protein Keratin

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User Pbreault
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