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Steitz, Thomas Arthur

(Encyclopedia)Steitz, Thomas Arthur, 1940–2018, American biophysicist and biochemist, b. Milwaukee, Ph.D. Harvard, 1966. Steitz was a professor at Yale from 1970 and a researcher at the Howard Hughes Medical Inst...

creationism

(Encyclopedia)creationism or creation science, belief in the biblical account of the creation of the world as described in Genesis, a characteristic especially of fundamentalist Protestantism (see fundamentalism). ...

eukaryote

(Encyclopedia)eukaryote yo͞okârˈē-ōtˌ [key], a cell or organism composed of cells that have a membrane-bound nucleus and organelles (mitochondria, chloroplasts; see cell, in biology) and genetic material orga...

mimicry

(Encyclopedia)CE5 Mimicry in butterflies mimicry, in biology, the advantageous resemblance of one species to another, often unrelated, species or to a feature of its own environment. (When the latter results fr...

meristem

(Encyclopedia)meristem mĕrˈistĕmˌ [key], a specialized section of plant tissue characterized by cell division and growth. Much of the mature plant's growth is provided by meristems. Apical meristems found at th...

Butler, Samuel, 1835–1902, English author

(Encyclopedia)Butler, Samuel, 1835–1902, English author. He was the son and grandson of eminent clergymen. In 1859, refusing to be ordained, he went to New Zealand, where he established a sheep farm and in a few ...

Uppsala

(Encyclopedia)Uppsala ŭpˈsələ, –säˌlä [key], city (1990 pop. 109,500), capital of Uppsala co., E Sweden, on the Fyrisån River. It is an industrial and cultural center and a railroad junction. Manufactures...

Scopes trial

(Encyclopedia)Scopes trial, Tennessee legal case involving the teaching of evolution in public schools. A statute was passed (Mar., 1925) in Tennessee that prohibited the teaching in public schools of theories cont...

extinction

(Encyclopedia)extinction, in biology, disappearance of species of living organisms. Extinction usually occurs as a result of changed conditions to which the species is not suited. If no member of the affected speci...

fertilization

(Encyclopedia)CE5 Fertilization of an egg cell fertilization, in biology, process in the reproduction of both plants and animals, involving the union of two unlike sex cells (gametes), the sperm and the ovum, f...