STHS AP Biology
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Friday, July 15, 2011
Keratin
Keratin is a fibrous protien that assembles into fibers. Keratin is an unsolvable, tough tissue that makes up hair, nails, the outer layer of skin.
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Keratin is a fibrous protien that assembles into fibers. Keratin is an unsolvable, tough tissue that makes up hair, nails, the outer layer of skin.
No comments:
Post a Comment