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Biology
Oakley
14 February, 01:52
What are feathers composed of
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Kyle Bond
14 February, 02:45
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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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Lauren Galloway
14 February, 05:38
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Feathers are made from the protein Keratin
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