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… Genomes from uncultivated bacteria offers clues to ancestral bacteria’s energy sources. More … acquired the ability to produce their own food and generate oxygen as a byproduct. The abundance of oxygen shaped the evolution of life on Earth, and led to the development of …
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… NOTICE Information from this server resides on a computer system funded by the U.S. Department of Energy. Anyone using this system consents to monitoring of this use by system or security personnel. … neither the United States Government nor the University of California nor any of their employees, makes any …
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