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- W4220808526 abstract "Attempts to find and quantify the supposed low entropy of organisms and its preservation are revised. Absolute entropy of the mixed components of non-living biomass (around -1.6 x 103 J K-1 L-1) is the reference to which other entropy decreases would be ascribed to life. Compartmentation of metabolites and departure from the equilibrium of metabolic reactions account for 1 and 40-50 J K-1 L-1, respectively, decreases of entropy and, though small, are distinctive features of living tissues. Intense experimental and theoretical investigations suggest that no other living feature contributes significantly to the low entropy associated to life. Macromolecular structures, despite their informational relevance for life, do not supply significant decreases of thermodynamic entropy. The photosynthetic conversion of radiant energy to biomass energy accounts for the most of entropy (2.8 x 105 J K-1 carbon kg-1) produced by living beings. The comparative very low entropy produced in other processes (around 4.8 x102 J K-1 L-1 day-1 in human body) must be rapidly exported outside as heat to preserve the low entropy decreases due to compartmentation and non-equilibrium metabolism. The trend to minimize the rate of production of entropy could explain selective pressures in biological evolution and the rapid proliferation of cancer cells." @default.
- W4220808526 created "2022-04-03" @default.
- W4220808526 creator A5078701084 @default.
- W4220808526 date "2022-03-11" @default.
- W4220808526 modified "2023-09-24" @default.
- W4220808526 title "Entropy Perspectives of Molecular and Evolutionary Biology" @default.
- W4220808526 doi "https://doi.org/10.20944/preprints202203.0170.v1" @default.
- W4220808526 hasPublicationYear "2022" @default.
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