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Origins of Life: The Primal Self-Organization (Paperback, 2011 ed.)
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Origins of Life: The Primal Self-Organization (Paperback, 2011 ed.)
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If theoretical physicists can seriously entertain canonical
"standard models" even for the big-bang generation of the entire
universe, why cannot life scientists reach a consensus on how life
has emerged and settled on this planet? Scientists are hindered by
conceptual gaps between bottom-up inferences (from early Earth
geological conditions) and top-down extrapolations (from modern
life forms to common ancestral states). This book challenges
several widely held assumptions and argues for alternative
approaches instead. Primal syntheses (literally or figuratively
speaking) are called for in at least five major areas. (1) The
first RNA-like molecules may have been selected by solar light as
being exceptionally photostable. (2) Photosynthetically active
minerals and reduced phosphorus compounds could have efficiently
coupled the persistent natural energy flows to the primordial
metabolism. (3) Stochastic, uncoded peptides may have kick-started
an ever-tightening co-evolution of proteins and nucleic acids. (4)
The living fossils from the primeval RNA World thrive within modern
cells. (5) From the inherently complex protocellular associations
preceding the consolidation of integral genomes, eukaryotic cell
organization may have evolved more naturally than simple
prokaryote-like life forms. - If this book can motivate dedicated
researchers to further explore the alternative mechanisms
presented, it will have served its purpose well.
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