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Baciccio ... bacteriophage

Baciccio: leading Roman Baroque painter of the second half of the 17th century. [2 Related Articles]
Bacilek, Karol: (from the article "Czechoslovak region, history of") ...In 1960 he agreed to the rehabilitation of the Slovaks purged in the 1950s. The new constitution, however, restricted Slovak autonomy further. By 1963, new leaders had moved into power ...
Bacillariophyceae: (from the article "Bacillariophyceae") class of fuccous algae, commonly known as diatoms, in the division Chromophyta. See diatom.
bacillite: (from the article "bacillite") in geology, a type of crystallite (q.v.).crystallite shapecrystallite...The faster-growing faces of a cry
bacillus: (genus Bacillus), any of a group of rod-shaped, gram-positive, aerobic or (under some conditions) anaerobic bacteria widely found in soil and water. The term bacillus in a general sense has ...
bacillus: (from the article "bacteria") Individual bacteria can assume one of three basic shapes: spherical (coccus), rodlike (bacillus), or curved (vibrio, spirillum, or spirochete). Considerable variation is seen in the actual shapes of bacteria, and ...
Bacillus alvie: (from the article "beekeeping") European foulbrood is caused by a nonsporeforming bacterium, Streptococcus pluton, but Bacillus alvie and Acromobacter eurydice are often associated with Streptococcus pluton. This disease is similar in appearance to American ...
Bacillus anthracis: (from the article "anthrax") acute, infectious, febrile disease of animals and humans caused by Bacillus anthracis, a bacterium that under certain conditions forms highly resistant spores capable of persisting and retaining their virulence for ...
Bacillus cereus: (from the article "bacillus") Bacillus cereus sometimes causes spoilage in canned foods and food poisoning of short duration. B. subtilis, also widely disseminated, is a common contaminant of laboratory cultures (it plagued Louis Pasteur ...
Bacillus fusiformis: (from the article "Vincent gingivitis") acute and painful infection of the tooth margins and gums that is caused by the symbiotic microorganisms Bacillus fusiformis and Borrelia vincentii. The chief symptoms are painful, swollen, bleeding gums; ...
Bacillus larvae: (from the article "beekeeping") American foulbrood, caused by a spore-forming bacterium, Bacillus larvae, is the most serious brood disease. It occurs throughout the world wherever bees are kept and affects workers, drones, and queens. ...
Bacillus mesentericus: (from the article "baking") Bacteria associated with bread spoilage include Bacillus mesentericus, responsible for "ropy" bread, and the less common but more spectacular Micrococcus prodigiosus, causative agent of "bleeding bread." Neither ropy bread nor ...
Bacillus polymyxa: (from the article "bacillus") ...thuringiensis insecticides are harmless to vertebrates but effective against pests of agricultural products. Medically useful antibiotics are produced by B. subtilis (bacitracin) and B. polymyxa (polymyxin B).
Bacillus popilliae: (from the article "Japanese beetle") ...to prey on the larvae-have been imported into the United States, where some of them have become established. Of even greater promise as a biological control is a disease-inducing bacterium, ...
Bacillus subtilis: (from the article "bacillus") Bacillus cereus sometimes causes spoilage in canned foods and food poisoning of short duration. B. subtilis, also widely disseminated, is a common contaminant of laboratory cultures (it plagued Louis Pasteur ...
Bacillus thuringiensis: (from the article "bacillus") ...for humans and only infect them incidentally in their role as soil organisms; a notable exception is B. anthracis, which causes anthrax (q.v.) in humans and domestic animals. B. thuringiensis ...
bacitracin: (from the article "drug") ...It has excellent activity against Pseudomonas aeruginosa and Enterobacteriaceae. Aztreonam has a low incidence of toxicity, but it must be administered parenterally. Bacitracin is produced by a ...
back: (from the article "stringed instrument") In the lute the part of the resonating chamber over which the strings pass is called the belly, and the other side of the resonator is called the back. The ...
back: (from the article "rugby") It was not until the early 1880s that specialized positions began to appear, particularly among the backs, with Allen Rotherham of Oxford and England establishing the position of halfback, named ...
Back Bay: (from the article "Mumbai") ...ridge terminates at Malabar Hill, which, rising 180 feet (55 metres) above sea level, is one of the highest points in Mumbai. Between Colaba Point and Malabar Hill lies the ...
Back Bay: (from the article "Boston") ...of land along the line of present-day Washington Street. To the west of the neck were great reaches of mudflats and salt marshes that were covered by water at high ...
Back Bay: (from the article "Virginia Beach") ...extends 28 miles (45 km) southward from the mouth of Chesapeake Bay to the North Carolina border, covering 302 square miles (782 square km) of land and water, with 28 ...
back emf: (from the article "inductance") ...the increase of a current than the same coil with an air core. The iron core increases the inductance; for the same rate of change of the current in the ...
back furrow: (from the article "agricultural technology") ...is plowed across the field; on the return trip, a furrow slice is lapped over the first slice. This leaves a slightly higher ridge than the second, third, and other ...
back junction layer: (from the article "solar cell") The three energy-conversion layers below the antireflection layer are the top junction layer, the absorber layer, which constitutes the core of the device, and the back junction layer. Two additional ...
back mutation: (from the article "heredity") ...against which to compare a mutant allele. Mutation can occur in two directions; mutation from wild type to mutant is called a forward mutation, and mutation from mutant to wild ...
Back of the Yards Council: (from the article "Alinsky, Saul") ...and criminology, Alinsky worked as a criminologist in Illinois for eight years. In 1938, he undertook his first community organizing campaign in a working-class area of Chicago; the result was ...
back pi bonding: (from the article "organometallic compound") ...The second mode of interaction with the metal is the simultaneous back-donation of electron density from the metal to the carbonyl ligand, which is called back pi bonding.
back projection: (from the article "projection screen") ...viewing angle increases). They are therefore especially suitable for screenings in small rooms-e.g., for home movies. The glass-beaded screen is made up of many tiny beads on a canvas backing, ...
back stroke: (from the article "cricket") ...stroke, in which the batsman advances his front leg to the pitch (direction) of the ball and plays it in front of the wicket (if played with aggressive intent, this ...
back swimmer: any of about 200 species of insects (order Heteroptera) that occur worldwide and are named for their ability to swim on their backs, which are shaped like the keel and ... [2 Related Articles]
back vowel: (from the article "vowel") ...part of the tongue pushed forward in the mouth and somewhat arched. The a in "had," the e in "bed," and the i in "fit" are front vowels. A back ...
Back, Kurt W.: (from the article "collective behaviour") ...to be closed down and fumigated because of reports of toxic insect bites-reports that could not subsequently be substantiated. The U.S. sociologist Alan C. Kerckhoff and the U.S. psychologist Kurt ...
Back, Sir George: naval officer who helped to trace the Arctic coastline of North America. He twice accompanied the British explorer John Franklin to Canada's Northwest Territories (1819-22 and 1825-27) and later conducted ...
back-arc basin: (from the article "plate tectonics") Where both converging plates are oceanic, the margin of the older oceanic crust will be subducted because older oceanic crust is colder and therefore more dense. As the dense slab ...
back-formation: (from the article "English language") Back-formations and blends are becoming increasingly popular. Back-formation is the reverse of affixation, being the analogical creation of a new word from an existing word falsely assumed to be its ...
back-propagating error correction: (from the article "perceptrons") ...and Wesley Clark of the Massachusetts Institute of Technology had applied to only two-layer networks so that the procedure could be applied to multilayer networks. Rosenblatt used the phrase "back-propagating ...
back-propagation algorithm: (from the article "neural network") Two modifications of this simple feedforward neural network account for the growth of commercial applications. First, a network can be equipped with a feedback mechanism, known as a back-propagation algorithm, ...
back-strap loom: (from the article "textile") ...known of the American Indian weavers, have used the simple two-bar vertical loom for several centuries to produce their beautiful rugs and blankets. A form of the horizontal two-bar loom ...
backblocks farce: (from the article "Australia") ...dominated by the development of two genres: the bushranging film, as exemplified by The Story of the Kelly Gang (1906), which depicted the life of Ned Kelly; ...
backboard: (from the article "basketball") ...deflect the ball to favour one side and hinder the other; in 1895 teams were urged to provide a 4-by-6-foot (1.2-by-1.8-metre) screen for the purpose of eliminating interference. Soon after, ...
Backbone Mountain: highest point in Maryland, U.S., reaching an elevation of 3,360 feet (1,024 metres). It is located on a ridge of the Allegheny and Appalachian mountains, located in Garrett county 12 ... [2 Related Articles]
Backbone Range: (from the article "Chugoku Range") The Chugoku Range consists of three landforms-the Backbone Range, the Kibi Plateau, and the Iwami Plateau. The Backbone Range constitutes a sharp divide between the Sea of Japan and the ...
backcross: the mating of a hybrid organism (offspring of genetically unlike parents) with one of its parents or with an organism genetically similar to the parent. The backcross is useful in ... [3 Related Articles]
Backer, Jacob: (from the article "Rembrandt van Rijn") ...seems to be the case, for instance, in his portrait of the famous, banned Remonstrant preacher Johannes Wtenbogaert (1577-1644), who was also portrayed by Michiel Janszoon van Miereveld and Jacob ...
backgammon: game played by moving counters on a board or table, the object of the game being a race to a goal, with the movement of the counters being controlled by ... [2 Related Articles]
background extinction rate: (from the article "conservation") To discern the effect of modern human activity on the loss of species requires determining how fast species disappeared in the absence of that activity. Studies of marine fossils show ...
background matching: (from the article "concealing coloration") in animals, the use of biological coloration to mask location, identity, and movement, providing concealment from prey and protection from predators. Background matching is a type of concealment in which ...
backhander: (from the article "ice hockey") There are three common types of shots in hockey: the slap shot, the wrist shot, and the backhander. The slap shot has been timed at more than 100 miles an ...
Backhaus, Wilhelm: German pianist who was best known for his interpretation of the works of Ludwig van Beethoven.
backhoe: (from the article "mining") In certain cases placer material is most economically excavated with a shore-mounted dragline or backhoe and a floating (barge-mounted) concentrating plant. (The digging equipment may also be mounted on a ...
Backhuysen, Ludolf: Dutch painter, celebrated for his sea pieces.
backlight: (from the article "liquid crystal display") The backlight of LCDs typically accounts for more than 80 percent of the display's power consumption. For mobile complex displays, battery lifetime is of great importance, and clearly the development ...
backpacking: recreational activity of hiking while carrying clothing, food, and camping equipment in a pack on the back. Originally, in the early 20th century, backpacking was practiced in the wilderness as ...
backsaw: (from the article "saw") Among the saws that are neither loops nor disks are three of the most common hand saws used by the carpenter: the ripsaw, the crosscut saw, and the backsaw. The ...
backshore: (from the article "coastal landforms") ...profile typically can be divided into two distinct parts: (1) the seaward and relatively steep sloping foreshore, which is essentially the intertidal beach, and (2) the landward, nearly horizontal backshore. ...
backstaff: (from the article "navigation") ...observer to look directly into the Sun. Coloured shades were fitted to the crosspiece, but the decisive improvement was made in 1594 by the English navigator John Davis. His instrument, ...
backstroke: (from the article "swimming") The backstroke began to develop early in the 20th century. In this stroke, the swimmer's body position is supine, the body being held as flat and streamlined as possible. The ...
backup intercept control system: (from the article "warning system") ...or foe (IFF) equipment constitute the forward elements of complex systems that have appeared throughout the world. Examples include the semiautomatic ground environment (SAGE), augmented by a mobile backup intercept ...
Backus, Isaac: controversial American religious leader and historian.
Backus, John Warner: American computer scientist led the team at IBM that during the 1950s designed FORTRAN (formula translation), the first important algorithmic language for computers and the most continuously used high-level ... [2 Related Articles]
Backus, Robert: American weight thrower who dominated his sport during the 1950s; he won seven consecutive Amateur Athletic Union (AAU) titles in the 25.4-kg (56-lb) weight throw (1953-59) and captured an eighth ...
backward dive: (from the article "diving") ...forward dives, in which the person faces the water, dives out from the edge of the board or platform, and rotates forward one-half or more turns before entering the water. ...
backward pawn: (from the article "chess") ...rooks adjoining open files along which to attack. A pawn on an open file whose advance is restrained by an enemy pawn on an adjoining file and that is unguardable ...
Bacolod: city, northwestern portion of the island of Negros, Philippines. On a coastal plain washed by Guimaras Strait, it lies opposite Guimaras Island and has been called the Philippine sugar capital ...
bacon: a side of a pig that, after removal of the spare ribs, is cured, either dry or in pickle, and smoked. Some varieties, notably Canadian bacon, are cut from the ...
Bacon's Rebellion: (from the article "race") ...ate together, played together, and frequently ran away together. Moreover, the poor of all colours protested together against the policies of the government (at least 25 percent of the rebels ...
Bacon, Albion Fellows: American reformer and writer, remembered largely for her campaigns to improve public housing standards.
Bacon, Delia Salter: American writer who developed the theory, still subscribed to by some, that Francis Bacon and others were the true authors of the works attributed to William Shakespeare.
Bacon, Edmund Norwood: American urban planner (b. May 2, 1910, Philadelphia, Pa.-d. Oct. 14, 2005, Philadelphia), revitalized Philadelphia as executive director of the City Planning Commission (1949-70). During his tenure he oversaw the ...
Bacon, Francis: British painter whose powerful, predominantly figural images express isolation, brutality, and terror. [2 Related Articles]
Bacon, Francis Thomas: British engineer who developed the first practical hydrogen-oxygen fuel cells, which convert air and fuel directly into electricity through electrochemical processes. [1 Related Articles]
Bacon, Francis, Viscount Saint Alban (or Albans), Baron of Verulam: lord chancellor of England (1618-21). A lawyer, statesman, philosopher, and master of the English tongue, he is remembered in literary terms for the sharp worldly wisdom of a few dozen ... [30 Related Articles]
Bacon, Henry: American architect, best-known as the designer of the Lincoln Memorial, Washington, D.C. [1 Related Articles]
Bacon, James: (from the article "Tasmania") ...state was struck by tragedy in 1996, when an assassin killed 35 people in Port Arthur. Indifferent performance by successive Liberal governments led in 1998 to a decisive ALP electoral ...
Bacon, John: American clergyman, legislator, and judge who was an early advocate of civil and religious liberty.
Bacon, John: British Neoclassical sculptor who perfected certain sculpturing techniques. [1 Related Articles]
Bacon, John: (from the article "Western sculpture") ...sculpture at the Royal Academy and one of the few British artists of the period with an international reputation. The last generation of Neoclassicists included the sculptors Sir Richard Westmacott, ...
Bacon, John M.: (from the article "balloon flight") In 1903 the Rev. John M. Bacon invented the forerunner of the modern hot-air balloon in England. While coal gas was plentiful and inexpensive locally, expeditionary forces had severe logistic ...
Bacon, Kevin: (from the article "Performing Arts") Among the best work of newer directors, Nicole Kassell's The Woodsman was a compassionate story of a man (sensitively played by Kevin Bacon) battling to resist his pedophilic inclinations. John ...
Bacon, Nathaniel: Virginia planter and leader of Bacon's Rebellion. His wife's disinheritance (her father opposed her marriage) and his involvement in a plan to defraud a neighbour of his inheritance contributed to ... [2 Related Articles]
Bacon, Roger: English Franciscan philosopher and educational reformer who was a major medieval proponent of experimental science. Bacon studied mathematics, astronomy, optics, alchemy, and languages. He was the first European to describe ... [12 Related Articles]
Bacon, Sir Nicholas: high official in the government of Queen Elizabeth I and father of the renowned philosopher Francis Bacon.
Baconian method: methodical observation of facts as a means of studying and interpreting natural phenomena. This essentially empirical method was formulated early in the 17th century by Francis Bacon, an English philosopher, ... [1 Related Articles]
Baconthorpe, John: English theologian and philosopher who, although he did not subscribe to the heterodox doctrine of the great Muslim philosopher Averroes, was regarded by the Renaissance Averroists as Princeps Averroistarum ("the ...
Bacovia, George: (from the article "Romanian literature") ...Dobrogeanu Gherea's theories followed Karl Marx, although Western modernism also influenced Romanian writers. Ovid Densusianu clearly followed Symbolism, as did the poets Ion Minulescu and George Bacovia (G. Vasiliu), while ...
Bacs-Kiskun: megye (county), southern Hungary. The largest county in Hungary, Bacs-Kiskun extends eastward from the Danube to the Tisza River. It is bordered by the counties of Pest to the north, ...
bacteremia: the presence of bacteria in the bloodstream, whether associated with active disease or not. The transient bacteremia that follows dental manipulation or surgical procedures may have little significance in the ... [3 Related Articles]
bacteria: any of a group of microscopic single-celled organisms that live in enormous numbers in almost every environment on the surface of Earth, from deep-sea vents to the digestive tracts of ... [71 Related Articles]
bacterial conjunctivitis: (from the article "conjunctivitis") ...through a person's own nasal or sinus mucosa. Eye discharge is generally thick and coloured, as opposed to the watery discharge of viral conjunctivitis. The organisms most commonly responsible for ...
bacterial endocarditis: (from the article "endocarditis") Traditionally, infective endocarditis has been classified as acute or subacute. Acute infective endocarditis generally is caused by Staphylococcus, Pneumococcus, or Gonococcus bacteria or by fungi. This form of endocarditis develops ...
bacterial growth curve: (from the article "bacteria") Growth of bacterial cultures is defined as an increase in the number of bacteria in a population rather than in the size of individual cells. The growth of a bacterial ...
bacterial meningitis: (from the article "meningitis") Bacterial meningitis usually has three main stages. At first, the bacteria multiply in the nasal passages and throat, often causing no painful symptoms. Next, they invade the blood, introducing toxic ...
bacterial myositis: (from the article "muscle disease") Bacterial myositis, an inflammation of muscle tissues as the result of a bacterial infection, is commonly localized and occurs after an injury. Staphylococcus and Streptococcus organisms are usually responsible. General ...
bacterial toxin: (from the article "poison") The prefixes "exo-" and "endo-" are retained in classifying the bacterial toxins mainly for historical reasons rather than because they are found either outside or inside the bacterial cell. The ...
bacterial wilt: (from the article "wilt") Bacterial wilt, caused by numerous species of the genera Corynebacterium, Erwinia, Pseudomonas, and Xanthomonas, induces stunting, wilting, and withering, starting usually with younger leaves. Stems, which often shrivel and wither, ...
bacteriochlorophyll: (from the article "coloration") ...was probably the first step in the evolution of self-sustaining life. Chlorophyll exists in several forms. Chlorophylls a and b are the chief forms in higher plants and green algae; ...
Bacteriodes fragilis: (from the article "bacteria") ...they are closed off and protected from the immune system, as occurs in the boils in the skin formed by staphylococci and the cavities in the lungs formed by Mycobacterium ...
Bacteriological Weapons Convention of 1972: (from the article "war, law of") This principle explains, to some extent, the prohibition on the use of certain weapons. Hence, the use of chemical and bacteriological weapons was banned by the 1925 Geneva Protocol. By ...
bacteriology: branch of microbiology dealing with the study of bacteria. [8 Related Articles]
bacteriophage: any of a group of viruses that infect bacteria. Bacteriophages were discovered independently by Frederick W. Twort in Great Britain (1915) and Felix d'Herelle in France (1917). D'Herelle coined the ... [12 Related Articles]