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Hypotheses of Cancer Weakening and Origin
Approximately 2.7 billion years ago, cyanobacteria began producing oxygen by photosynthesis. Any free oxygen they produced was chemically captured by dissolved iron or organic matter. There was no ozone layer to protect living species against the radiation from space. Eukaryotic cells lived in water...
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| Publicado no: | J Cancer |
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| Autor principal: | |
| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado em: |
Ivyspring International Publisher
2015
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| Assuntos: | |
| Acesso em linha: | https://ncbi.nlm.nih.gov/pmc/articles/PMC4392054/ https://ncbi.nlm.nih.gov/pubmed/25874009 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.7150/jca.10911 |
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