How was complex life able to develop on the inhospitable early Earth? At the beginning there must have been ribonucleic acid (RNA) to carry the first genetic information. To build up complexity in their sequences, these biomolecules need to release water. On the early Earth, which was largely covered in seawater, that was not so easy to do.
Study shows how the chemical properties of RNA molecules could have facilitated the origin of life retrieved 22 March 2024 from https://phys.org/news/2024-03-chemical-properties-rna-molecules-life.html
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