4 ordspråk av Martin Cohn
Martin Cohn
 If you think of this in the big picture of evolution of sensory systems, such as olfaction, hearing, vision and touch, this shows sharks took a pre-existing genetic program and used it to build yet another type of sensory system. |
| 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. |
| 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 that 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. |
| Our work is really the first demonstration of the embryonic origin of these organs, and it gives us some insight into how they arose during evolution. |
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This website focuses on proverbs in the Swedish, Danish and Norwegian languages, and some parts including the links below have not been translated to English. They are mainly FAQs, various information and webpages for improving the collection.
Här har vi samlat citat sedan 1990!
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varav 1407627 på engelska
Proverb (1469515 st) Search
Categories (2627 st) Search
Authors (167535 st) Search
Photos (4592 st)
Born (10495 st)
Died (3317 st)
Dates (9517 st)
Countries (5315 st)
Idiom (4438 st)
Lengths
Toplists (6 st)
Greetings
Write a greeting
This website focuses on proverbs in the Swedish, Danish and Norwegian languages, and some parts including the links below have not been translated to English. They are mainly FAQs, various information and webpages for improving the collection.
Här har vi samlat citat sedan 1990!
Vad är proverb?
Hur funkar det?
Vanliga frågor
Om samlingen
Ordspråkshjältar
Hjälp till!
 |
This website focuses on proverbs in the Swedish, Danish and Norwegian languages, and some parts including the links below have not been translated to English. They are mainly FAQs, various information and webpages for improving the collection.
Här har vi samlat citat sedan 1990!
Vad är proverb?
Hur funkar det?
Vanliga frågor
Om samlingen
Ordspråkshjältar
Hjälp till!