Scientists identify 'sweet spot' for early stage of life on Earth that preceded LUCA, the ancestor of all living things
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4 Articles
Scientists identify 'sweet spot' for early stage of life on Earth that preceded LUCA, the ancestor of all living things
New research has pinned down the onset of the "RNA World," a hypothetical time in Earth's very early history when RNA was the primary replicating substance.
First it was RNA. Long before DNA became the central element of life on Earth, there was 'another world' simpler , whose molecules could also have stored genetic information and replicated.Unlike DNA, which acts as an immense (but passive) library of information, RNA is incredibly versatile. And scientists believe that at the dawn of Earth, these molecules were able not only to store genetic data, but also to act as a sort of 'biological workers…
(Seoul = Yonhap News) Reporter Lee Joo-young = If an RNA-centered 'RNA world' that stored and replicated genetic information existed before life appeared on Earth, then the... necessary for that...
AGI - The conditions that could have supported a supposed primordial phase of life, known as the 'RNA world', could have stabilised about 4.33 billion years ago. This is the estimate elaborated in a study, published in the journal Nature Communications, conducted by scientists of the Institute of Planetary Sciences in Tucson, USA. The impact of environmental conditions The team, led by Oleg Abramov, defined a precise timeline in which the surfac…
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