English, Article edition: Revival of the concept of the cold prehistory of life Goldanskii, Vitalii I.

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Physical Description
  • article
Language
  • English

Edition details

Title
  • Revival of the concept of the cold prehistory of life
Author
  • Goldanskii, Vitalii I.
Physical Description
  • article
Notes
  • The extra-terrestrial scenario of the origin of life suggested by Svante Arrhenius (1908) as the hypothesis was revived by the discovery of a low-temperature quantum limit of a chemical reaction rate in 1973. Entropy factors play no role near absolute zero, and slow molecular tunnelling can lead to the exothermic formation of quite complex molecules. Interstellar grains or particles of cometary tails could serve as possible cold seeds of life, with acetic acid, urea and products of their polycondensation as quasi-equilibrium intermediates. Scenarios of the origin of life should consider the appearance of a typical feature of living species advantage factors which can promote gradual accumulation of enantiomeric excess. Extra-terrestrial (cold, solid phase) scenarios of the origin of life seem to be more promising from that point of view than terrestrial (warm) scenarios. In a scheme of five main stages of prebiological evolution some problems important for further investigation are briefly discussed.
  • RePEc:cup:eurrev:v:1:y:1993:i:02:p:137-147_00
Language
  • English
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