What are feathers composed of

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asked Jan 27, 2017 170k views

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Maxspan · Answer 1 · 2017-01-28T06:02:11+0000

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.

What are feathers composed of

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