The possibility of alternative microbial life on Earth

@article{Cleland2005ThePO,
  title={The possibility of alternative microbial life on Earth},
  author={Carol E. Cleland and S. Copley},
  journal={International Journal of Astrobiology},
  year={2005},
  volume={4},
  pages={165 - 173}
}
Despite its amazing morphological diversity, life as we know it on Earth today is remarkably similar in its basic molecular architecture and biochemistry. The assumption that all life on Earth today shares these molecular and biochemical features is part of the paradigm of modern biology. This paper examines the possibility that this assumption is false, more specifically, that the contemporary Earth contains as yet unrecognized alternative forms of microbial life. The possibility that more… Expand
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