But how did life on earth originate? in an effort to produce life in a laboratory and thus explain how it began, chemists have sent sparks through mixtures of special gases. One result has been some amino acids (molecules of the sort that are the ‘building blocks’ of living things). Those amino acids, though, were not living...
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Those amino acids, though, were not living. Furthermore, they were not the result of mere accident; they were produced by trained scientists under controlled conditions in modern laboratories. There are more than 200 natural amino acids, yet only a special 20 in the proteins of living things. Even if some amino acids could result from lightning, who selected just the right 20 found in living matter? And how were they guided into the exact sequence necessary in protein? Research analyst Dr...
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