Chinyorwa: Highly energetic chemistry is thought to have produced a self-replicating molecule around 4 billion years ago, and half a billion years later the last common ancestor of all life existed. Mazuva ano masayendisiti anobvumirana kuti makemikari akaoma anoumba upenyu akabva mukuita kwemakemikari akareruka. Kutanga kwehupenyu kungave kwaisanganisira makemikari anozvigadzira akadai seRNA uye kuungana kwemasero akareruka. Mubvunzo: Makemikari akaoma anotaurwa kuti akagadzirwa nehupenyu kuburikidza nei?
kuwirirana kwakareruka kwemakemikoro