Arsenic Proves To Be A Building Block

Livermore CA (SPX) Dec 03, 2010 Arsenic – an element that triggers death for most Earthly life forms – is actually allowing for bacterium to thrive and reproduce. In a study that may prompt the rewriting of textbooks, a team of astrobiologists and chemists has found the first known living organism that can use arsenic in place of phosphorus in its major macromolecules. The new findings could redefine origins of life rese


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