By Bernd-Olaf Küppers, P. Wooley
ISBN-10: 0387155287
ISBN-13: 9780387155289
ISBN-10: 3540155287
ISBN-13: 9783540155287
The topic of this ebook is the physico-chemical thought of the beginning of existence. even supposing this thought continues to be in statu nascendi, it's been built lately to the purpose the place a coherent presentation is feasible. The booklet is meant as an introductory textual content for college students of physics, chemistry or biology. This interdisciplinary target has necessitated a call of fabric in keeping with the bottom universal denominator of physicists and biologists. particularly, the predominantly mathematical and organic sections were awarded on the most basic l.evel attainable. the fewer mathematically prone reader can overlook Sections (5.3)-(5.5), (5.7)-(5.10), (6.2), (6.3), (9.1)-(9.3), (12.1) and (13.3) with out wasting the general view. For serious analyzing of the manuscript, for discussions and for lots of worthwhile feedback I desire to thank M. Eigen (Gottingen), w.e. Gardiner (Austin), D. Porschke (Gottingen), P. Schuster (Vienna), P.R. Wills (Auckland) and P. Woolley (Berlin). the interpretation of the unique, German manuscript into English was once kindly undertaken via Paul Woolley. in this and next levels of revision he brought an exceptional many advancements within the textual content and the presentation of fabric. My specific thank you are because of him for his decisive contribution to this booklet. final of all I desire to thank Ingeborg Lechten for typing the textual content in its numerous phases of evolution. The of completion of this booklet is essentially to be attributed to her endurance and potency.
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Additional resources for Molecular theory of evolution : outline of a physico-chemical theory of the origin of life
Example text
We now impose upon our system the CP constraint, by keeping the total population of molecular species constant. For this purpose the global dilution flux g>0 will be adjusted so as to keep pace with - and compensate at all times - the increase in the total polymer concentration. x. 18) It follows from this, in conjunction with Eq. 10) thus changes under CP conditions into x, = ( w f - Ë ) x . x. 20) These are the fundamental phenomenological equations which describe selection among biological macromolecules under the constraint of constant population.
9, again in greatly simplified form. The whole apparatus of protein biosynthesis is thus a highly-organized, self-regulating system, in which proteins give rise to nucleic acids and vice-versa. According to what we know at present, both the logical and the material components of this system are uniform throughout the living world. There also seems to be no 28 organism genetic - be it a virus, a bacterium or a human being - which does not use the same code*. corroboration of Thus the the results thesis of of molecular Charles Darwin genetics provide spectacular (1859) that all living beings are descended from a common ancestor.
The "fittest" species can be regarded as the species with the highest value of this parameter. •••• £ , « < (such In accordance with the inequality (5 36) < « , <••••< • & - the progress of the system is confined to a particular path, along which i t organizes itself spontaneously. Consequently, of the N possible molecular states, only a restricted number of states is passed through. 36) is, in the simple form given, true only of quasi-linear i . e . , those in which the rate constants are independent of the concentration variables.
Molecular theory of evolution : outline of a physico-chemical theory of the origin of life by Bernd-Olaf Küppers, P. Wooley
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