Although Group VII viruses such as hepatitis B contain a DNA genome, they are not considered DNA viruses according to the Baltimore classification, but rather reverse transcribing viruses because they replicate through an RNA intermediate.

* Linear algebraic groups ( or more generally affine group schemes ) — These are the analogues of Lie groups, but over more general fields than just R or C. Although linear algebraic groups have a classification that is very similar to that of Lie groups, and give rise to the same families of Lie algebras, their representations are rather different ( and much less well understood ).

Although numerous classification schemes have been proposed, the superfamily is classically divided into three main classes ( A, B, and C ) with no detectable shared sequence homology between classes.

Although Greenberg did not produce an explicit argument for monogenesis, all of his classification work was geared toward this end.

Although phylogenetics itself is fundamental to modern-day systematics, its use for the description of new taxa, and placement within a classification scheme, is unrequired.

Although it is a phrase often used by newspapers, there is no such classification as " Maximum Secure ".

Although the classification of crustaceans has been quite variable, the system used by Martin and Davis largely supersedes earlier works.

Although the Dott classification scheme is widely used by sedimentologists, common names like greywacke, arkose, and quartz sandstone are still widely used by nonspecialists and in popular literature.

Although strictly part of the de Vaucouleurs system of classification, the Sd class is often included in the Hubble sequence.

Although the SYNOP code has no separate formal classification for vertical or multi-level clouds, the observer procedure for selecting numerical codes is designed to give high reporting priority to those genera or species that show significant vertical development.

Although the published classification deliberately did not use formal taxonomic ranks, other sources have treated each of the six as a separate kingdom.

Although clear examples of the difference between cake and bread are easy to find, the precise classification has always been elusive.

Although the ICHD-2 is the most complete headache classification there is and it includes frequency in the diagnostic criteria of some types of headaches ( primarily primary headaches ), it does not specifically code frequency or severity which are left at the discretion of the examiner.

Although the Emu was long classified with its closest relatives, the cassowaries, in the family Casuariidae, part of the ratite order Struthioniformes, an alternate classification has been recently adopted which splits the Casuariidae into their own order, Casuariformes.

Although he left Opabinia ′ s classification above the family level open, the annulated but not articulated body and the unusual lateral lobes with gills persuaded him that it may have been a representative of the ancestral stock from which both the annelids and arthropods arose.

Although the results were not quantitative and did not initially improve on morphological classification, they provided tantalizing hints that long-held notions of the classifications of birds, for example, needed substantial revision.

Although the results were not quantitative and did not initially improve on morphological classification, they provided tantalizing hints that long-held notions of the classifications of birds, for example, needed substantial revision.

Although the Rhodesian Ridgeback's bird hunting prowess has been well known throughout the breed's history ( the original description from the South African parent club belabors this point in fact ), it is important to note that the " Gundog " classification made in 1920s Southern Rhodesia and South Africa was not specifically about bird hunting.

Although the majority of the literature mentions only one genus transmitting Leishmania to humans ( Lutzomyia ) in America, a 2003 study by Galati suggested a new classification for American sand flies, elevating several subgenera to the genus level.

Although the film's sexual content was permissible in the X category, the OFLC's classification guidelines unambiguously state " No depiction of violence, sexual violence, sexualised violence, or coercion is allowed in the category.

Although the classification systems vary from country to country, most have levels corresponding to the following British definitions ( from the highest level to lowest )

Although only 75 feet width is required for this classification, the runway is 25 feet wider to allow it to serve as an alternate runway for turboprop and small regional jet aircraft.

Although the Capgras delusion is commonly called a syndrome, because it can occur as part of, or alongside, various other disorders and conditions, some researchers have argued that it should be considered a symptom, rather than a syndrome or classification in its own right.

Although it was dark as usual I could see that the hall had only recently contained a great many people.

Although New Orleans was not to learn of it for a spell, she also was a sadist, a nymphomaniac and unobtrusively mad -- the perpetrator of some of the worst crimes against humanity ever committed on American soil.

Although Faulkner was the heir in his own family to this tradition, he did not have Stark Young's inclination to romanticize and sentimentalize the planter society.

Although his tender nights were not the ones I dreamed of, nor was it for yachts, sports cars, tall drinks, and swimming pools, nor yet for money or what money buys that I burned, I too was burning and watching myself burn.

Although after much trouble he did manage to get it back, he discovered there was no trade to be had.

Although he did not attend any celebrated schools or universities, he was a master of Greek and Hebrew and could read the Bible in the original.

Although the fort was evacuated in the face of the force of Cornwallis, Morgan and his men did have a chance to take another swing at the redcoats.

Although because of the important achievements of nineteenth century scholars in the field of textual criticism the advance is not so striking as it was in the case of archaeology and place-names, the editorial principles laid down by Stevenson in his great edition of Asser and in his Crawford Charters were a distinct improvement upon those of his predecessors and remain unimproved upon today.

Although Mr. Brown was not himself its inventor ( it was a French idea ), it is typical that his intuition first conceived the importance of mass producing this basic tool for general use.

Although it was a mere fragment of the victim's remains, it was enough.

Although there were only four fluids tested, it was apparent that there were two distinct types.

Although the tape was run for over 1 hr., a steady state was not reached, and it was concluded that the reason for this was that the back pressure of the manometer was built up from the material fed from between the blocks and this was available at a very slow rate.

-- Although there was some variation in results which must be attributed either to trace impurities or to variation in wall effects, the photochemical exchange in the gas phase was sufficiently reproducible so that it seemed meaningful to compare the reaction rates in different series of reaction tubes for the purpose of obtaining information on the effect of chlorine concentration and of carbon tetrachloride concentration on the reaction rate.

Although the Taylor Scale was designed as a group testing device, in this study it was individually administered by psychologically trained workers who established rapport and assisted the children in reading the items.

Although economic and personal circumstances vary widely among those now choosing apartments, Leo J. Pantas, vice president of a hardware manufacturing company, pointed out recently that many apartment seekers seem to have one characteristic in common: a desire for greater convenience and freedom from the problems involved in maintaining a house.

Although Doubleday achieved minor fame as a competent combat general with experience in many important Civil War battles, he is more widely remembered as the supposed inventor of the game of baseball, in Elihu Phinney's cow pasture in Cooperstown, New York, in 1839.

Although this concept remains a guiding principle of the profession, it is a concept that has been widely critiqued within the conservation profession and is now considered by many to be " a fuzzy concept ".

Although his paper was widely cited, a random selection of 60 of these citations revealed that 29 of the papers were direct rebuttals or criticisms of Jensen's arguments, 8 cited the paper as an " example of controversy ," 8 used it as a background reference.

Although this document was subsequently adopted by International Organization for Standardization ( ISO ) and subsequent revisions published by ISO have been adopted by ANSI, the name ANSI C ( rather than ISO C ) is still more widely used.

Although they were previously considered the sister group to the remaining crustaceans, it is now widely accepted that crustaceans form a paraphyletic group, and Branchiopoda are thought to be sister to a clade comprising Xenocarida ( Remipedia and Cephalocarida ) and Hexapoda ( insects and their relatives ).

Although BCD is not as widely used as in the past, decimal fixed-point and floating-point formats are still important and continue to be used in financial, commercial, and industrial computing, where subtle conversion and rounding errors that are inherent to floating point binary representations cannot be tolerated.

Although Bede did not invent this method, his adoption of it, and his promulgation of it in De Temporum Ratione, his work on chronology, is the main reason why it is now so widely used.

Although the Royal Navy is widely regarded as having been vital for the rise of the British Empire, and British dominance of the world, the British Army played an important role in the colonisation of India and other regions.

Although it is widely accepted that Descartes explained the problem cogently, few later philosophers have been happy with his solution, and his ideas about the pineal gland have especially been ridiculed.

Although CCDs are not the only technology to allow for light detection, CCD image sensors are widely used in professional, medical, and scientific applications where high-quality image data is required.

Although such programs are widely available and are sometimes seen as clever toys for the non-musician, some professional musicians have given them attention also.

Although widely used in naval warfare, and in anti-air guns, both the British and Americans feared unexploded proximity fuses would be reverse engineered leading to them limiting its use in continental battles.

Although many were initially wary of the concept, it was because people were able to witness the procedure's consistently positive results, within their own community of ordinary citizens, that it became widely utilized and supported.

Although the idea expressed in Cogito ergo sum is widely attributed to Descartes, he was not the first to mention it.

Although the concept of consilience in Whewell's sense was widely discussed by philosophers of science, the term was unfamiliar to the broader public until the end of the 20th century, when it was revived in Consilience: The Unity of Knowledge, a 1998 book by the humanist biologist Edward Osborne Wilson, as an attempt to bridge the culture gap between the sciences and the humanities that was the subject of C. P. Snow's The Two Cultures and the Scientific Revolution ( 1959 ).

Although these guidelines have been widely implemented, opponents argue that even when a diagnostic criteria set is accepted across different cultures, it does not necessarily indicate that the underlying constructs have any validity within those cultures ; even reliable application can only demonstrate consistency, not legitimacy.

Although Jones is especially remembered for his work on the phonetics and phonology of English, he ranged far more widely.

Although not widely employed for esterifications, salts of carboxylate anions can be alkylating agent with alkyl halides to give esters.

Although many of the descriptions in this book were written in an exaggerated manner or were plainly inventive fiction or 3rd-source misinterpretation, his notes are widely accepted as a useful guide to the cultural aspects and lifestyle of 17th-century Ottoman Empire.

Although political power during Suiko's reign is widely viewed as having been wielded by Prince Shōtoku and Soga no Umako, Suiko was far from powerless.

Although several designs ( such as the Convair flying car ) have flown, none have enjoyed commercial success, and those that have flown are not widely known about by the general public.

Although not widely fielded until World War I, early machine guns were being used by militaries in the second half of the 19th century.