Physics of Biology

   

Can Stabilization and Symmetry Breakings Give Rise to Life in the Process of the Universe Evolution?

Authors: Choong Sun Kim

Bio-genesis can be understood as the final process of the Universe's evolution, from Planck scale down to nuclear scale to atomic scale to molecular scale, then finally to bio-scale, with the breaking of relevant symmetries at every step. By assuming the simplest definition of life, that life is just a molecular system which can reproduce itself (auto-reproducing molecular system -- ARMS) and has such kinetic ability (kineto-molecular system -- KMS), at least for its microscopic level, as to respond actively to its surrounding environments, we tried to explain the origin of life, taking the final step of the Universe evolution. We found a few clues for the origin of life, such as: (1) As the Universe expands and gets extremely cold, bio-genesis can take place by auto-reproducing molecular system, new level of stabilization may be achievable only at `locally cold places', such as comets. (2) There must be the parity breaking in the bio-scale stabilization process, which can be violated spontaneously, or dynamically by the van der Waals forces possible only at locally cold places. (3) And the rule of bio-parity breaking is universal within the bio-horizon. So we will find, for example, only left-handed amino acids in all living beings dwelling within our galaxy. (4) The idea of bio-genesis through the bio-scale stabilization in the evolution of the Universe looks very consistent with Panspermia hypothesis, and supports it by providing a viable answer for life's origin at such locally cold places.

Comments: 6 Pages. Published in International Journal of Astrobiolgy (2018); DOI: https://doi.org/10.1017/S1473550418000071

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[v1] 2018-10-31 02:39:09

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