Keratin: Perbedaan antara revisi

Keratin [[monomer]] saling terikat dan membentuk [[filamen intermediat]] yang liat tidak dapat larut dan membentuk jaringan yang keras yang ditemukan pada [[reptil]], [[burung]], [[amfibi]], dan [[mamalia]]. Satu-satunya unsur [[biologi]] yang diketahui mempengaruhi kekuatan lapisan keratin adalah [[kitin]].<ref>{{cite web |title=Keratin |work=Webster's Online Dictionary |url=http://www.websters-online-dictionary.org/definitions/Keratin }}{{Pranala mati|date=Februari 2021 |bot=InternetArchiveBot |fix-attempted=yes }}</ref><ref>{{cite journal |author=Vincenta, Julian F.V.; Wegst, Ulrike G.K. |title=Design and mechanical properties of insect cuticle |journal=Arthropod Structure & Development |volume=33 |issue=3 |pages=187–199 |date=1 July 2004 |doi=10.1016/j.asd.2004.05.006 |url=http://biomimetic.pbworks.com/f/Design%2Band%2Bmechanical%2Bproperties%2BofVincent.pdf |format=PDF}}</ref><ref>{{cite journal |author=Tombolato L, Novitskaya EE, Chen PY, Sheppard FA, McKittrick J |title=Microstructure, elastic properties and deformation mechanisms of horn keratin |journal=Acta Biomater |volume=6 |issue=2 |pages=319–30 |year=2010 |month=February |pmid=19577667 |doi=10.1016/j.actbio.2009.06.033 |url=http://www.rhinoresourcecenter.com/pdf_files/126/1263373670.pdf |format=PDF}}</ref>

* [http://www.hair-science.com/_int/_en/topic/topic_sousrub.aspx?tc=ROOT-HAIR-SCIENCE^PORTRAIT-OF-AN-UNKNOWN-ELEMENT^SUPERB-CHEMISTRY&cur=SUPERB-CHEMISTRY Hair-Science.com's entry on the microscopic elements of hair] {{Webarchive|url=https://web.archive.org/web/20060113171639/http://www.hair-science.com/_int/_en/topic/topic_sousrub.aspx?tc=ROOT-HAIR-SCIENCE%5EPORTRAIT-OF-AN-UNKNOWN-ELEMENT%5ESUPERB-CHEMISTRY&cur=SUPERB-CHEMISTRY |date=2006-01-13 }}