kailemarie15
kailemarie15
21-06-2016
Biology
contestada
what are feathers composed of
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ponyboyhowell
ponyboyhowell
21-06-2016
feathers are made from the protein Keratin
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xSamx
xSamx
21-06-2016
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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