Everything about Chemical Evolution totally explained
Chemical evolution has two meanings and uses. The first refers to the theories of evolution of the
chemical elements in the universe following the
Big Bang and through
nucleosynthesis in
stars and
supernovas.
The second use of chemical evolution or
chemosynthesis is as a hypothesis to explain how
life might possibly have developed or evolved from non-life (see
abiogenesis). Various experiments have been made to show certain aspects of this process, the first ones were done by
Stanley L. Miller in the
1950s. For that they're now called
Miller experiments. However only very basic organic building blocks were obtained. The challenge is getting complex molecules organized consistently.
The hypothesis is that simple chemical compounds could catalyze the creation of copies of themselves (somewhat similar to the formation of a
crystal or
polymer) in an environment rich with the necessary building block compounds or elements. As these
chemical replicators "reproduce", they can be created with slightly different structures randomly, similar to biological
mutations. Eventually these replicators would produce
protocells.
Further Information
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