A basic science concerned with the composition, structure, and properties of matter; and the reactions that occur between substances and the associated energy exchange.
D001671
Biochemistry
The study of the composition, chemical structures, and chemical reactions of living things.
D001695
Biology
One of the BIOLOGICAL SCIENCE DISCIPLINES concerned with the origin, structure, development, growth, function, genetics, and reproduction of animals, plants, and microorganisms.
D014481
United States
A country in NORTH AMERICA between CANADA and MEXICO.
D049711
History, Modern 1601-
The period of history from 1601 of the common era to the present.
History, Modern,Modern History,History of Medicine, Modern,Medicine, Modern,Modern History (Medicine),Modern Medicine,1601- History, Modern,History, Modern (Medicine),History, Modern 1601,Modern 1601- History