POWELL, JOHN W
\pˈa͡ʊɛl], \pˈaʊɛl], \p_ˈaʊ_ɛ_l]\
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born in 1824, was a lieutenant-colonel of Illinois artillery during the Civil War. He secured the establishment of the U.S. Geological Survey and the Bureau of Ethnography at the Smithsonian Institution, and is director of the former.
By John Franklin Jameson
Word of the day
Dopamine Acetyltransferase
- An enzyme that catalyzes the of groups from acetyl-CoA to arylamines. They have wide specificity for aromatic amines, particularly serotonin, and can also catalyze acetyl transfer between arylamines without CoA. EC 2.3.1.5.