@Sierkovitz: http://www.nature.com/news/2011/110418/full/news.2011.245.html
Research in which peacocks' tails were experimentally plucked, published online this month in Animal Behaviour1, now suggests that the answer is yes — but only sometimes.
"There are other things that we think are going into that decision," says Roslyn Dakin, a PhD student in behavioural ecology at Queen's
Research in which peacocks' tails were experimentally plucked, published online this month in Animal Behaviour1, now suggests that the answer is yes — but only sometimes.
"There are other things that we think are going into that decision," says Roslyn Dakin, a PhD student in behavioural ecology at Queen's
Pochodzenie życia – czy hipoteza Świata RNA omija dylemat w rodzaju „co było pierwsze; kura czy jajo”
Eksperymenty Geralda Joyce’a wyczerpująco wykazały biochemiczne granice związane z możliwościami enzymów złożonych z samego RNA (rybozymów). Eksperymenty mające na celu pokazanie, jak samoistnie ewoluują molekularne maszyny, kolejny raz UTKNĘŁY W MARTWYM PUNKCIE , zabrnęły w ślepą uliczkę. Zamiast pokazać jak życie mogło powstać samoistnie, pokazały, jak powstać nie
źródło: comment_xNkJ5A1iBP4IGorgDe3EOb4dGAcQiq9w.jpg
PobierzOdnośnie idei powstania pierwszego życia na bazie RNA:
"The obvious conclusion was that the RNA World, neat as it was, could not be the whole truth."