Dec 12, 2010

Q.73

NASA recently published a paper in the journal Science about experiments that involved 'persuading' a bacterium to use arsenic instead of phosphorus in its basic bio-chemistry. Despite some reports in the mainstream press about its earth-shattering significance of having discovered arsenic-based life, most scientists have concluded this is just an interesting addition in understanding how life works.

Many articles reminded people of the acronym "CHNOPS" - a mnemonic for the most abundant elements in bio-chemistry. If P is for Phosphorus, what are the rest? [+ Show Answer]


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