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phosphorylation
(Encyclopedia) phosphorylation, chemical process in which a phosphate group is added to an organic molecule. In living cells phosphorylation is associated with respiration, which takes place in the…rattlesnake
(Encyclopedia) rattlesnake, poisonous New World snake of the pit viper family, distinguished by a rattle at the end of the tail. The head is triangular, being widened at the base. The rattle is a…sonar
(Encyclopedia) sonarsonarsōˈnär [key], device used underwater for locating submerged objects and for submarine communication by means of sound waves. The term sonar is an acronym for sound navigation…table tennis
(Encyclopedia) table tennis, game played, usually indoors, by two or four players; it is more or less a miniature form of lawn tennis. It is also called Ping-Pong, after the trade name that a…motive
(Encyclopedia) motive or motifmotifmōtēfˈ [key], in music, a short phrase or passage of two or more notes and repeated or elaborated throughout the composition. The term is usually used synonymously…Lakshadweep
(Encyclopedia) LakshadweepLakshadweepləkshädˈwēpˌ [key], union territory (2001 provisional pop. 60,595), 11 sq mi (28 sq km), SW India, consisting of the Laccadive, Minicoy, and Amindivi islands in…hotbed
(Encyclopedia) hotbed, low, glass-covered frame structure for starting tender plants. It differs from a cold frame only in that the soil is heated—either artificially as by underground electric…ham, food
(Encyclopedia) ham, hind leg of a hog above the hock joint, prepared for food by curing or smoking. Ham is one of the earliest of preserved meats; it is now a leading product of the meatpacking…silica gel
(Encyclopedia) silica gel, chemical compound. It is a colloidal form of silica, and usually resembles coarse white sand. It may be prepared by partial dehydration of metasilicic acid, H2SiO3. Because…cassiterite
(Encyclopedia) cassiteritecassiteritekəsĭtˈərīt [key], heavy, brown-to-black mineral, tin oxide, SnO2, crystallizing in the tetragonal system. It is found as short prismatic crystals and as irregular…Trending
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