Aantal gezegden is 1469558
varav 1407627 på engelska
Gezegde (1469558 st) ZoekCategoriën (2627 st) Zoek
Auteurs (167535 st) ZoekAfbeeldingen (4592 st)Geboren (10495 st)Gestorven (3318 st)Datums (9517 st)Landen (5315 st)
Idiom (4439 st)
Lengths
Toplists (6 st)
Denna sidan visar ordspråk som liknar "It was thought collagen was a relatively recent invention in vertebrate evolution that unites us with reptiles, amphibians, sharks and bony fishes, while the lamprey skeleton was based on quite different proteins. Knowing lampreys also use collagen to build their skeletons makes sense. Lampreys and jawed vertebrates inherited the same genetic program for skeletal development from our common ancestor.".