Abstract

The origin of life has been marked by existing chemical, physical and atmospheric conditions in the primeval era of Earth. In this sense, experiments have been carried out that emulate the conditions of the Precambrian era, where organic blocks such as amino acids, sugars, organic compounds and O2 have been synthesized from the elements of this condition. Nevertheless, even while these results have been disruptive, allowing a significant advance in the origin of life, no functional biomolecules have been synthesized. Considering the work done previously, as a starting point and the evidences of the synthesis of biomorphs in the presence of biomolecules, the objective of this study was the synthesis of barium silico-carbonate biomorphs, based on biomolecules in Precambrian conditions. The purpose of this is to identify if it is possible to obtain functional biomolecules. The results showed that the barium biomorphs synthesized in conditions that emulate the primitive era present spherical or circular morphology, with a chemical composition that corresponds to the polymorphs of witherite, goethite and carbonaceous material (CM) such as protein, carbohydrate and phosphate group bonds. However, the synthesis of an active or functional biomolecule was not possible. The results therefore show that to be able to obtain a functional biomolecule that could be considered a sign of life springing from organic and inorganic compounds, it is necessary to involve other factors heretofore not considered. This is due to the fact that chemical elements per se, together with some atmospheric factors that have been described which apparently permitted the formation of the protocell in the primitive era of Earth, are not sufficient to obtain functional biomolecules. In this way, the origin of life may be understood from the equation of life (L = amc2), considering all involved factors and not only the chemical composition of elements that make up various organisms in combination with only some atmospheric factors.

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