Columbia Encyclopedia

(Encyclopedia) yeast, name applied specifically to a certain group of microscopic fungi and to commercial products consisting of masses of dried yeast cells or of yeast mixed with a starchy material and pressed into...

(Encyclopedia) du Vigneaud, Vincent dyo͞o vēnˈyō [key], 1901–78, American biochemist, b. Chicago. He was professor of biochemistry and head of the department at George Washington Univ. school of medicine (1932...

(Encyclopedia) Barataria Bay bărətârˈēə [key], SE La., separated from the Gulf of Mexico by Grand and Grand Terre islands. It is linked to the Intracoastal Waterway by a navigable channel. The bay is the cente...

(Encyclopedia) Teruel tĕrwĕlˈ [key], town (1990. pop. 28,488), capital of Teruel prov., E central Spain, in Aragón, at the confluence of the Guadalaviar and Alfambra rivers. The city is an agricultural trade cen...

(Encyclopedia) Enna ānˈnä [key], town, capital of Enna prov., central Sicily, Italy. It is an agricultura...

(Encyclopedia) Krebs cycle, series of chemical reactions carried out in the living cell; in most higher animals, including humans, it is essential for the oxidative metabolism of glucose and other simple sugars. The...

(Encyclopedia) Ourense ōrānˈsā [key], city (1990 pop. 109,283), capital of Ourense prov., NW Spain, in Galicia, on the Miño River. It is the center of an agricultural region with extensive vineyards. There are ...

(Encyclopedia) Baden, anc. Aquae Helveticae, town, Aargau canton, N Switzerland, on the Limmat River. A noted spa since ancient times, the town has hot sulfur spri...

(Encyclopedia) Calvin, Melvin, 1911–97, American organic chemist and educator, b. St. Paul, Minn., grad. Michigan College of Mining and Technology, 1931, Ph.D. Univ. of Minnesota, 1935. In 1937 he joined the facul...

(Encyclopedia) Kivu, lake, 1,042 sq mi (2,699 sq km), 55 mi (89 km) long, on the Congo-Rwanda border, E central Africa; highest lake in Africa (4,788 ft/1,459 m). It is drained by the Ruzizi River, which flows S int...