Abstract

AbstractA kinetic model for random mutually catalytic chemical sets is used here to estimate the probability for the spontaneous origin of molecular self-replication. Simplifying assumptions on the chemistry in such systems enable us to explore the possible mechanisms for chemical evolution of simple metabolic networks, and the emergence of well organized structures. The model affords an estimate of the probability that a given rate of growth or replication will appear by chance in a pre-biotic milieu, thus assisting in understanding the potential precursors of life.

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