Life may have evolved chemically, not biologically

November 14th, 2007 - 8:08 am ICT by admin  
In experiments they showed how a combination of five cyanide molecules could build up adenine, one of the four building blocks of DNA.

“Just where these biomolecules originated isn’t known. One can only speculate. They could have formed from smaller molecules present on primitive Earth, either very slowly over millions of years or rapidly before the Earth cooled down. Asteroids may have brought them from outer space, but how did biomolecules form there,” said Paul von Ragu

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