Electronic Resource
Springer
Origins of life and evolution of the biospheres
8 (1977), S. 277-281
ISSN:
1573-0875
Source:
Springer Online Journal Archives 1860-2000
Topics:
Biology
,
Geosciences
Notes:
Abstract Improving Keszthelyis simple model the evolutionary appearance of concentration difference of enanthiomeric compounds due to their differential decomposition by β-rays is investigated taking into account the racemization as well. It is shown that if the difference in the cross sections is very small then the resulting concentration difference will never exceed the statistical fluctuations, while in the case of a sufficiently large difference in the cross sections the concentration difference can overgrow the statistical fluctuations in an evolutionary reasonable period of time. The relative difference of the concentrations, however, will be generally much smaller than that of the cross sections. Therefore some other, amplifying mechanism must be postulated in order to explain the optical purity of living beings.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF00930690
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