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Coleman's parabiosis experiments revealed a satiety factor in wild-type mice that was absent or
Several common functional groups in a single biomolecule
Carrie Mae Weems, Untitled (Man Smoking/Malcolm X), from The Kitchen Table Series.
Connections of a nitric acid plant, intermediate pressure type
The periodic table of the elements
Schematic depiction of the action of tryptophan synthase in one functional unit