Semakan pada 07:18, 7 Oktober 2008 (sunting) Gennieviana (bincang \| sumb.) (Laman baru: A tough, insoluble protein substance that is the chief structural constituent of hair, nails, horns, and hooves.)		Semakan pada 07:18, 7 Oktober 2008 (sunting) (batalkan) Gennieviana (bincang \| sumb.) Suntingan berikutnya →
Satu bahan protein keras, tak larut iaitu unsur struktur dan utama rambut, kuku, tanduk-tanduk, dan telapak kaki binatang. ~~A tough, insoluble protein substance that is the chief structural constituent of hair, nails, horns, and hooves.~~

Perbezaan antara semakan "Keratin"

Keratin (sunting)