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Palade, George Emil

(Encyclopedia)Palade, George Emil päläˈdē [key], 1912–2008, American cell biologist, b. Iaşi, Romania, M.D. Univ. of Bucharest, 1940. He was a faculty member at the Rockefeller Institute (now Rockefeller Uni...

species

(Encyclopedia)species, in biology, a category of classification, the original and still the basic unit in the demarcation of plant and animal types. The species marks the boundary between populations of organisms r...

sperm

(Encyclopedia)sperm or spermatozoon spûrˌmətəzōˈən, –zōˈŏn [key], in biology, the male gamete (sex cell), corresponding to the female ovum in organisms that reproduce sexually. In higher animals the spe...

carotene

(Encyclopedia)carotene kârˈətēnˌ [key], long-chained, unsaturated hydrocarbon found as a pigment in many higher plants, particularly carrots, sweet potatoes, and leafy vegetables. Carotene is thought to assist...

differentiation

(Encyclopedia)differentiation, in biology, series of changes that occur in cells and tissues during development, resulting in their specialization. This, in turn, permits a greater variety of organisms. In plants, ...

de Duve, Christian

(Encyclopedia)de Duve, Christian (Christian Renē Maria Joseph de Duve), 1917–2013, Belgian cell biologist, b. England, M.D., Catholic Univ. of Louvain, 1941. He joined the faculty at Louvain in 1947 and at the R...

Charpentier, Emmanuelle Marie

(Encyclopedia)Charpentier, Emmanuelle Marie āmänüĕl märēˈ shärpäNtyāˈ [key], 1968–, French microbiologist, Ph.D. Pierre and Marie Curie Univ., 1995. Following postdoctoral appointments at several insti...

Glaser, Donald Arthur

(Encyclopedia)Glaser, Donald Arthur, 1926–2013, American physicist, b. Cleveland, Ph.D. California Institute of Technology, 1950. He was a professor at the Univ. of Michigan from 1950 to 1959, when he joined the ...

Kaelin, William George, Jr.

(Encyclopedia)Kaelin, William George, Jr., 1957–, American oncologist, b. New York City, M.D. Duke Univ., 1982. He has spent his entire career at the Dana-Farber Cancer Institute, Boston, Mass., and also is a pro...

Luria, Salvador Edward

(Encyclopedia)Luria, Salvador Edward, 1912–1991, American physician, b. Turin, Italy, M.D., Univ. of Turin, 1935. He conducted research and taught at the Institute of Radium in Paris (1938–40), Columbia (1940�...