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The active component of the 70%–95% AS fraction was initially purified by DEAE-cellulose chromatography (Fig. 7A). The active 100 mm KCl flow-through fraction (Fig. 5A, lane 4) was applied to a phosphocellulose column, and proteins in it were separated by step-elution. They reinvented Galton’s eugenics into a repressive and racist ideology. His name was Josef Mengele. On May 30, 1943, Mengele arrived at Auschwitz. Frank Bruni answered questions and responded to comments about the college admissions mania — and how best to choose and use a college — on The Times’s Facebook page.

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