Abstract
Beginning of life on a planet including earth would occur with the formation of nucleotides from such precursors as linear polyphosphate anion, D-ribose, and heterocyclic bases in presence of metasilicate anion of composition (SiO32-)n, metaborate anion of composition (BO2)nn-, and enstatite (MgSiO3). These complex silicates and borates might have acted as catalysts as well as moulds for the production of the nucleotides of DNA/RNA.
Highlights
This author (Bhuiyan, 2016) predicted that, starting with photons in reversible equilibrium with electron-positron pairs at the beginning of the universe, all chemical elements and their compounds including the complex oxides had formed in space in the early universe
We describe the mechanism of catalytic and moulding activities of polysilicate anions in producing nucleotides of RNA 3 of this paper
Production of some precursors of RNA/DNA in the laboratory under outer space conditions by NASA scientists and other investigators lend support to our predictions that, starting with photons and electron-positron pairs through quarks, all substances including these precursors were formed in space in early universe
Summary
This author (Bhuiyan, 2016) predicted that, starting with photons in reversible equilibrium with electron-positron pairs at the beginning of the universe, all chemical elements and their compounds including the complex (or mixed) oxides had formed in space in the early universe. This paper is, intended to elucidate the formation of nucleotides of RNA/DNA from: (a) D-ribose, (b) heterocyclic bases, and (c) linear phosphate polymers in presence of clays/borates which had arrived earlier from space and collected in layers upon the surface of a planet including earth. The linear polymer (PnO3n+1)(n+2)- may possess the following end segment (VIII) in neutral and physiological PHs. Pointing the end (VIII) toward the end of the cavity opposite to the end at which the heterocyclic base is attached to the ribose molecule, the polyphosphate polymer seeps in through the lattice up to the vicinity of the 5'- carbon of the ribose molecule (VII) so that the end (VIII) reacts with the hydroxyl group to produce the phosphate ester (IX); (5). The phosphate esters will link the 3'-hydroxyl of one ribose with the 5'-hydroxyl of another forming the double helix of RNA
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