Though the general structure of all antibodies is very similar, a small region at the tip of the protein is extremely variable, allowing millions of antibodies with slightly different tip structures, or antigen binding sites, to exist.

Though there is some debate on the exact mechanism of conjugation it seems that the pili are not the structures through which DNA exchange occurs.

Though Oblique illumination suffers from the same limitations as bright field microscopy ( low contrast of many biological samples ; low apparent resolution due to out of focus objects ), it may highlight otherwise invisible structures.

The fortress incorporates some of the pre-existing southern walls, the pre-existing structures including the keep of Santo Martini, the San Giovanni tower and an ancient basilica which now serves as the fortress chapel. Though the town itself was eventually conquered, the fortress itself was never taken, an admirable feat, considering the size of the Sienese and Florentine forces that besieged Montalcino at varying intervals.

Though Han wooden structures decayed, some Han-dynasty ruins made of brick, stone, and rammed earth remain intact.

Though an alternate view is that the term was coined by the Czech art historian Antonin Matějček in 1910, as the opposite of impressionism: " An Expressionist wishes, above all, to express himself ... ( an Expressionist rejects ) immediate perception and builds on more complex psychic structures ... Impressions and mental images that pass through mental peoples soul as through a filter which rids them of all substantial accretions to produce their clear essence are assimilated and condense into more general forms, into types, which he transcribes through simple short-hand formulae and symbols.

Though each neighbourhood within the city would have a local Souq selling food and other essentials, the main souq was one of the central structures of a large city.

Though the interface and semantics of a given iterator are fixed, iterators are often implemented in terms of the structures underlying a container implementation and are often tightly coupled to the container to enable the operational semantics of the iterator.

Though Pavlov's physiology has been abandoned, classical conditioning is extensively used in modern studies of the neural structures and functions that underlie learning and memory.

Though written into the history books, housing and minor industrial structures were still erected atop hundreds of acres of the fields.

Though Blake was influenced by his grand and mystical cosmic conception, Swedenborg's conventional moral structures and his Manichean view of good and evil led Blake to express a deliberately depolarized and unified vision of the cosmos in which the material world and physical desire are equally part of the divine order, hence, a marriage of heaven and hell.

Though these fascinations aren ’ t obviously present in his Fourth String Quartet, he did incorporate symmetrical structures: Movements I and V are similar, as are Movements II and IV ; Movement III is at center, greatly contrasting with the other movements.

Though these units did not survive as administrative structures beyond the Muromachi Period ( 1336 – 1573 ), they did remain important geographical entities up until the 19th century.

Though feather-like structures are known in the related ornithischian dinosaurs, evidence of feathers or feather-like structures has not been reported for any theropods less advanced than the coelurosaurs.

Though there is some debate on the issue, the pili themselves are not the structures through which the actual exchange of DNA takes place ; rather, a Type IV secretion system is used to transfer DNA between the bacteria.

Though tribal societies had structures that were usually personal in nature, exercised by a patriarch over a tribal group related by various degrees of kinship, hydraulic hierarchies gave rise to the established permanent institution of impersonal government.

Though these winds are possibly indicative of an F5 strength tornado, this particular tornado's path never encountered any significant structures and caused minimal damage.

Though, transient by nature, transient interactions are very important for cell biology: human interactome is enriched in such interactions, these interactions are the dominating players of gene regulation and signal transduction, and proteins with intrinsically disordered regions ( IDR: regions in protein that show dynamic inter-converting structures in the native state ) are found to be enriched in transient regulatory and signaling interactions.

During in the Edo period ( 1603 – 1868 ), writes Groemer, “ the organizational structures and arts practiced by female shamans in eastern Japan underwent significant transformations .” Though in the Meiji period ( 1868 – 1912 ), many shamanistic practices were outlawed:

Though the essential principle of design is the same as in other accelerometers, gravimeters are typically designed to be much more sensitive in order to measure very tiny fractional changes within the Earth's gravity of 1 g, caused by nearby geologic structures or the shape of the Earth and by temporal tidal variations.

Though gas production ceased in 1956, the buildings and manufacturing structures were still intact in 1962 when the City of Seattle began purchasing the abandoned gas works.

Though the details of these structures are obviously system-dependent, we can identify some very common parts, and classify them in three main categories:

Though the merger process was traumatic and the new party suffered a few years of extremely poor poll results, it gradually found much greater electoral success than the Liberal Party had done in the post-war era.

Though designed strictly as a mechanism to support " natural language conversation " with a computer, ELIZA's DOCTOR script was found to be surprisingly successful in eliciting emotional responses from users who, in the course of interacting with the program, began to ascribe understanding and motivation to the program's output.

Though the effect is most associated with IQ increases, a similar effect has been found with increases of semantic and episodic memory.

Though these pedigrees were originally transmitted via an oral tradition, written pedigrees of Arabian horses can be found that date to the 14th century.

Though all these works have their roots in Chrétien, several contain pieces of tradition not found in Chrétien which are possibly derived from earlier sources.

Though the word eikon (" image ") is found in the New Testament ( see below ), it is never in the context of painted icons though it is used to mean portrait.

Though ill-received by mainstream American reviewers, Dead Man found much favor internationally and among critics, many of whom lauded it as a visionary masterpiece.

Though Philby claimed publicly in January 1988 that he did not regret his decisions, and that he missed nothing about England except some friends, Colman's mustard, and Lea & Perrins Worcestershire sauce, his KGB-appointed wife Rufina later described Philby as " disappointed in many ways " by what he found in Moscow.

Though its existence was accepted as scientific fact at the time, it was not to be found.

Though Alexander's body had a missing finger and a different appearance from Lex at the time of his death, 52 editor Stephen Wacker has confirmed that the body found in Gotham is indeed Alex, and that Luthor had it altered before the police discovered it.

Though he valued first-hand experience as part of a proper education, he did not intend to found a professional school, but advocated instruction in useful knowledge that combined elements of both professional and liberal education, writing that " The true and only practicable object of a polytechnic school is, as I conceive, the teaching, not of the minute details and manipulations of the arts, which can be done only in the workshop, but the inculcation of those scientific principles which form the basis and explanation of them, and along with this, a full and methodical review of all their leading processes and operations in connection with physical laws.

Though considerable variation exists, and peak flows in the venae cavae have been found between 0. 1 m / s and 0. 45 m / s.

Though polyploidy in humans is not viable, mixoploidy has been found in live adults and children.

Though a popular movement the intellectual elite of the United States found phrenology attractive because it provided a biological explanation of mental processes based on observation, yet it wasn't accepted uncritically.

Though once widely used in factory line shafts, this type of pulley is still found driving the rotating brush in upright vacuum cleaners.

Though the truce was for two years, Philip found grounds for resuming hostilities in the summer of 1188.

Though the New Wave is generally considered to have begun in the 1960s, some of its tenets can be found in H. L. Gold's editorship of Galaxy, a science fiction magazine which began publication in 1950.

Though the location of Solomon's port of Ezion-Geber is known, no remains have ever been found.

Though neuroimaging studies have not yet found specific cortical correlates, there is much evidence that there are differences in the brain physiology of adults who stutter in comparison to those who do not.

Though a Segway-focused organization, Disability Rights Advocates for Technology, advocates for Segway PT sidewalk and facility access as an ADA issue, Segways cannot be marketed in the US as medical devices: they have not been approved by the Food and Drug Administration as a medical device and Johnson & Johnson claims exclusive rights to the medical uses of the balancing technology found in the iBOT and Segway.

Though Wagner was working on his epic Der Ring des Nibelungen, he found himself intrigued by the legend of Tristan und Isolde.

Though not a zeolite, it is found associated with minerals such as datolite, calcite, apophyllite, stilbite, laumontite, heulandite etc.

Though difficult and rarely performed by amateurs, pieces that demonstrate such unfamiliar idioms have found their way into the repertories of the finest semi-professional and professional choirs around the world.

Though few would claim " utopian " status, intentional communities are groups of people who strive for a more ideal life in some way, and are inspired by a similar urge to that found in utopian novels.