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Questions tagged [abiogenesis]

The study of how biological life arises from inorganic matter through natural processes, and the method by which life on Earth arose.

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What is the most complex biological organism (or precursors) that we have been able to synthesize from raw materials?

In the Miller–Urey experiment they produced several amino acids. I'm not sure if there were other similar experiments that got further. http://www.jcvi.org/cms/press/press-releases/full-text/article/...
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How did genome replication first synchronise with cell division?

It is obvious that cell division in living organisms is now synchronised almost perfectly with DNA replication and, furthermore, the line of division has to intersect exactly the space between the two ...
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What theories exist as to how self-replicating molecules organised into the first cells?

When I was a biology student in the early 90's, what I learned and read seemed to indicate a gap in theories around the origins of life. There was, of course, no real evidence about how the first self-...
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Martian Abiogenesis?

In the Miller-Urey experiment the probability of the chemical origin of life under (hypothetical) early Earth atmospheric conditions were assessed. For that water, methane, ammonia, and hydrogen were ...
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What are current abiogenesis hypotheses for first food source?

What is the very first abiogenetic piece of reproducing life (small piece of RNA + ribosome that randomly occurred?) hypothesized to have used as an energy source? I'd be interested in sources to what ...
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Why did protocell division coincide exactly with RNA replication?

I know that, in the RNA world, it has been suggested that the first protocell formed by a hollow liposome structure encapsulating an RNA molecule. However, from then on it becomes confusing: I've ...