Many chemistries could be used to build living systems.

@article{Bains2004ManyCC,
  title={Many chemistries could be used to build living systems.},
  author={W. Bains},
  journal={Astrobiology},
  year={2004},
  volume={4 2},
  pages={
          137-67
        }
}
  • W. Bains
  • Published 2004
  • Chemistry, Medicine
  • Astrobiology
It has been widely suggested that life based around carbon, hydrogen, oxygen, and nitrogen is the only plausible biochemistry, and specifically that terrestrial biochemistry of nucleic acids, proteins, and sugars is likely to be "universal." This is not an inevitable conclusion from our knowledge of chemistry. I argue that it is the nature of the liquid in which life evolves that defines the most appropriate chemistry. Fluids other than water could be abundant on a cosmic scale and could… Expand
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