Search

Search results

Displaying 271 - 280

antisense

(Encyclopedia) antisense, DNA or RNA manipulated in a laboratory so that its components (nucleotides) form a complementary copy of normal, or “sense,” messenger RNA (mRNA; see nucleic acid).…

hemorrhage

(Encyclopedia) hemorrhagehemorrhagehĕmˈərĭj [key], escape of blood from the circulation (arteries, veins, capillaries) to the internal or external tissues. The term is usually applied to a loss of…

Heng Samrin

(Encyclopedia) Heng SamrinHeng Samrinhĕng sämˈrĭn [key], 1934–, Cambodian politician. He was president of Cambodia from 1979 to 1991 and headed the Communist party from 1981 to 1991. A regimental…

free radical

(Encyclopedia) free radical, in chemistry, a molecule or atom that contains an unpaired electron but is neither positively nor negatively charged. Free radicals are usually highly reactive and…

guilt

(Encyclopedia) guilt, in psychology, a term denoting an unpleasant feeling associated with unfulfilled wishes. Sigmund Freud initially contended that sexual drives produce sense of guilt in the…

Goslar

(Encyclopedia) Goslar Goslar gôsˈlär [key], city, Lower Saxony, central Germany, at the northern foot of the…

Gneisenau, August, Graf Neithardt von

(Encyclopedia) Gneisenau, August, Graf Neithardt vonGneisenau, August, Graf Neithardt vonouˈg&oobreve;st gräf nītˈhärt fən gənīˈzənou [key], 1760–1831, Prussian field marshal. In the Napoleonic…

guide dog

(Encyclopedia) guide dog, a dog trained to lead a blind person. The first school for training such dogs was established by the German government after World War I for the benefit of blinded veterans…

Novoselov, Sir Konstantin Sergeevich

(Encyclopedia) Novoselov, Sir Konstantin Sergeevich, 1974–, Russian-British physicist, Ph.D. Univ. of Nijmegen, Netherlands, 2004. He has been a research associate at the Univ. of Manchester, England…

O'Neal, Shaquille

(Encyclopedia) O'Neal, Shaquille (Shaquille Rashaun O'Neal)O'Neal, Shaquilleshəkēlˈ rəshônˈ ōnēlˈ [key], 1972–, American basketball player, b. Newark, N.J. Joining the Orlando Magic of the National…