Origins of Life
Cambridge University Press, 28 սեպ, 1999 թ. - 100 էջ
How did life on earth originate? Did replication or metabolism come first in the history of life? In this book, Freeman Dyson examines these questions and discusses the two main theories that try to explain how naturally occurring chemicals could organize themselves into living creatures. The majority view is that life began with replicating molecules, the precursors of modern genes. The minority belief is that random populations of molecules evolved metabolic activities before exact replication existed. Dyson analyzes both of these theories with reference to recent important discoveries by geologists and chemists. His main aim is to stimulate experiments that could help to decide which theory is correct. This second edition covers the enormous advances that have been made in biology and geology in the past and the impact they have had on our ideas about how life began. It is a clearly-written, fascinating book that will appeal to anyone interested in the origins of life.
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active monomers amino acids Assumption beginning biological biologists Cairns-Smith catalysts Cech Chapter chemical chemistry clay components computer simulations creatures Darwinian selection deﬁne describe difﬁcult disorder to order double-origin hypothesis droplets earth efﬁcient Eigen theory environment enzymes eons equilibrium error catastrophe error rate error tolerance eucaryotic eucaryotic cells evidence evolution evolve exact replication existed experimental experiments ﬁnd ﬁrst function genes genetic drift hardware homeostasis homeostatic hypercycle hypercycle model jump Kimura latest common ancestor Leslie Orgel living cells Manfred Eigen Margulis metabolism metabolism and replication microfossils modern cells molecular populations monomers natural selection Neumann Niesert nucleic acids nucleotides Oparin theory organisms origin of metabolism parasites population of molecules prebiotic primitive cell prion probability protein quasi-stationary questions random ribosomes ribozymes RNA molecules saddle point Schrodinger Schrodinger’s scientiﬁc selﬁsh speciﬁc Spiegelman Spiegelman monster stage structure sulphide surface synthesis tion toy model transfer RNA transition virus Wachtershauser