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Flauer [41]
3 years ago
14

What are feathers composed of

Biology
2 answers:
ycow [4]3 years ago
8 0
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.
sergij07 [2.7K]3 years ago
7 0
Feathers are made from the protein Keratin

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