Several competing models, although correctly dealing with the conformation of each individual peptide chain, gave way to the triple-helical " Madras " model, which provided an essentially correct model of the molecule's quaternary structure although this model still required some refinement .< ref > The packing structure of collagen has not been defined to the same degree outside of the fibrillar collagen types, although it has been long known to be hexagonal or quasi-hexagonal.

Several countries have used a system which is known as short form / long form.

Several appear to have been written originally in Hebrew, but the original text has long been lost.

Several variations, including long-haired varieties, grow hair several centimeters long and often require special care.

Several national expert groups came to the same result ; on top of all two international expert groups have in full detail evaluated the available data and finally concluded that any food at any dose is wholesome and safe to consume as long as it remains palatable and maintains its technical properties.

Several works among the best known during this long period could be cited as an example, from Strabo ( Geography ), Eratosthenes ( Geography ) or Dionisio Periegetes ( Periegesis Oiceumene ) in the Ancient Age to the Alexander von Humboldt ( Cosmos ) in the century XIX, in which geography is regarded as a physical and natural science, of course, through the work Summa de Geografía of Martín Fernández de Enciso from the early sixteenth century, which is indicated for the first time the New World.

Several months later, Dolenz was invited back afterward for him to do his long postponed 101st show, and his final in-studio appearance there at the station, by guest hosting on a three-hour broadcast stint during its Sunday evening New York Radio Greats program on February 3, 2008.

Several Asian Chinatowns, although not yet called by that name, have a long history.

Several legendary sources tend to assign unrealistically long lifespans to pre-historical heroes and monarchs ( e. g., Egyptian, Chinese, Hebrews, Japanese ), if the number of years there reported are understood as years of more than 340 days.

Several secondary plateaus of lower altitude are also distinguished by geographers, The Katun valley begins as a wild gorge on the south-west slope of Belukha ; then, after a big bend, the river ( 600 km long ) pierces the Katun Alps, and enters a wider valley, lying at an altitude of from 600 to 1, 100 m, which it follows until it emerges from the Altai highlands to join the Biya in a most picturesque region.

Several species have long streamers in the tail, and in a few species these are ended with expanded spatulae.

Several Canes raised the Cup for the first time in long NHL careers ; Rod Brind ' Amour and Bret Hedican had both played over 15 years without winning the Cup, while Glen Wesley — the last remaining Hartford Whaler on the Hurricanes ' roster — had waited 18 seasons.

Several documents illustrate Isaac ’ s long stay in Florence under the employment of Santa Maria del Fiore and Santissima Annunziata as a singer, and also suggest that he may have developed a close working-relationship with Lorenzo de ’ Medici.

alt = Several rafts made of long logs lashed together are bunched together near the bank of a large river.

Indians assisted us over the portage with our heavy articles on their horses, the waters is divided into Several narrow chanels which pass through a hard black rock forming Islands of rocks at this Stage of the water, on those Islands of rocks as well as at and about their Lodges I observe great numbers of Stacks of pounded Salmon neetly preserved in the following manner, i e after Suffiently Dried it is pounded between two Stones fine, and put into a species of basket neetly made of grass and rushes of better than two feet long and one foot Diamiter, which basket is lined with the Skin of Salmon Stretched and dried for the purpose, in theis it is pressed down as hard as is possible, when full they Secure the open part with the fish Skins across which they fasten tho the loops of the basket that part very Securely, and then on a Dry Situation they Set those baskets the Corded part up, their common Custom is to Set 7 as close as they can Stand and 5 on the top of them, and secure them with mats which is raped around them and made fast with cords and Covered also with mats, those 12 baskets of from 90 to 100 w. each form a Stack.

Several species have been domesticated during their long and extensive relationship with humans.

Several models with engine displacement between 50 cc and 175 cc were produced, mostly fitted with Italian two-stroke engines made either by Italjet or Franco Morini, but the fortunes of this venture didn't last long.

Several long distance trails-the Offa's Dyke Path, the Wye Valley Walk, the Wales Coast Path, and the Gloucestershire Way-pass through, or very close to, the town.

Several working-class ridings which had long voted NDP became disgruntled with the party due to the Social Contract and affirmative action, so they were attracted by Harris ' populism and shifted to the Tories.

In the swamps ( which have since been filled in ) were " The Nankeen bird with one long white feather behind the ear, The rail, The bittern, The snipe and jack snipe, Several ducks-wood duck, black duck, Teal, Spoonbill, Black swan Geese, Cranes, Blue and white coots, Water hens, Kingfishers here and there and swamp or ground parrot with the barred tail feathers.

Several distinct dog breeds have been specifically bred for the purpose of pulling sleds, and there is also a long history of using other breeds or crossbreeds as sled dogs.

Several of his other masses use the widespread cantus firmus technique, where a plainchant melody with long note values is placed in an interior part, often the tenor.

Several changes were made to the system, but the basic design remained the same: a long and skinny rocket stabilized with fins at the extreme rear.

Several of the songs on Howl are said to have been written long before the idea of B. R. M. C.

Several devices call for a very thin rod to push a recessed button which the user might only rarely need.

Several times in the series, characters have been shown to either suspect or in some other fashion " sense " that Harry is wearing his cloak: Snape is seen to be suspicious when being followed by Harry, even reaching out to grab at ( what would appear to be ) thin air ; in Half-Blood Prince, Draco Malfoy realises Harry is in his train carriage and successfully immobilises him with a Petrificus Totalus ( Body-Bind ) curse, despite Harry wearing his cloak ; and in The Chamber of Secrets, Albus Dumbledore senses Harry and Ron beneath it in Hagrid's cabin while talking to Lucius Malfoy during the event when Cornelius Fudge comes to take Hagrid to Azkaban and Lucius Malfoy hands over to Dumbledore his suspension letter.

Several terms are used to refer to features and components of bones throughout the body:

Several of these fossil forms are ichnotaxa ( that is, classified according to the organism's footprints or other trace rather than its body ) and their association with those described from distinctive bones is contentious and in need of revision pending more good material.

Several studies have demonstrated that tendons respond to changes in mechanical loading with growth and remodeling processes, much like bones.

Several of the bones which were jaw bones in reptiles evolved in this creature to perform an entirely new function, becoming parts of the mammal's middle ear.

Several complete skeletons of Eryops have been found in the Lower Permian, but skull bones and teeth are the most common fossils.

Several human skulls which bore the marks of violence, and many bones were strewed about the encampment, and as the spot exactly answers the description, given by Mr. Hearne, of the place ...

Several students were thrown off of third story balconies " onto pavement below, their bones crushed ," and one student paralyzed.

Several anatomical features found in Microraptor, such as a combination of unserrated and partially serrated teeth with constricted ' waists ', and unusually long upper arm bones, are shared with both primitive avians and primitive troodontids.

Several well-preserved specimens are known that include not only bones, but in some cases extensive skin impressions and possible gut contents.

Several wondrous healings and conversions happened at his grave, so on 5th November 1083 King Ladislaus I unearthed Emeric's bones in a big ceremony, and Emeric was canonised for his pious life and purity along with his father and Bishop Gerhard by Pope Gregory VII.

Several human skeletons along some animal bones and a number of a small stones implements, belonging probably to the Neolithic, have been unearthed in Archaeological exploration at Sarai Nahar in Kunda Tehsil.

Several other oxidation states are known, which range from + 2 to + 7 and can be identified by their characteristic optical absorption spectra.

Several Evangelical groups reject the practice so as not to be identified with charismatic and Pentecostal groups, which practice it widely.

Several proteins are involved, but two main methods of regulation have been identified: targeting mitochondria functionality, or directly transducing the signal via adaptor proteins to the apoptotic mechanisms.

Several of the treasuries can be identified, among them the Siphnian Treasury, dedicated by the city of Siphnos whose citizens gave a tithe of the yield from their gold mines until the mines came to an abrupt end when the sea flooded the workings.

Several ancient written precursors to Hamlet can be identified.

Several potential pitfalls have been identified:

There is no explanation for the particular values that physical constants appear to have throughout our universe, such as Planck's constant h or the gravitational constant G. Several conservation laws have been identified, such as the conservation of charge, momentum, angular momentum and energy ; in many cases, these conservation laws can be related to symmetries or mathematical identities.

Several generations later, the Norman descendants of these Viking settlers not only identified themselves as French but carried the French language, and their variant of the French culture, into England in 1066.

Several general properties of physical laws have been identified ( see Davies ( 1992 ) and Feynman ( 1965 ) as noted, although each of the characterizations are not necessarily original to them ).

Several distinct Coptic dialects are identified, the most prominent of which are Sahidic and Bohairic.

Several years later, on the commentary track for the DVD of Return of the Jedi, Burtt identified the language that he heard in the BBC documentary as Kalmyk, a tongue spoken by the isolated nomadic Kalmyk people.

Several studies have determined that pit bull owners and owners of other " vicious " or " high risk " breeds ( most commonly identified as Akita, Chow Chow, Doberman Pinscher, Pit Bull, Rottweiler, and Wolf-mix ) are more likely to have criminal convictions and are more likely to display antisocial behaviors.

Several other indri vocalizations have been identified.

Several of Ceres ' ancient Italic precursors are connected to human fertility and motherhood ; the Pelignan goddess Angitia Cerealis has been identified with the Roman goddess Angerona ( associated with childbirth ).

Several scholars have identified the Novensiles with the council of gods who decide on the use of the third, most destructive type of lightning.

Several of the major Greek goddesses also were identified with Tanit by the syncretic, interpretatio graeca, which recognized as Greek deities in foreign guise the deities of most of the surrounding non-Hellene cultures.

Several former Navy JAG lawyers have been identified as the source for the character of Lt. Daniel Kaffee.

Several well-known figures have identified themselves as Juggalos.

Several genetic associations have been identified.

Several distinct polysaccharides have been identified and characterised within the pectic group.

Several characters from Callirhoe can be identified with figures from history, although their portrayal is not always historically accurate.

Several optimisations for Rete have been identified and described in academic literature.

Several types of wavetables can be identified by the way they are used or created.

Several sources can be identified as the source of the intrinsic brightness of the sky, namely airglow, indirect scattering of sunlight, scattering of starlight, and artificial light pollution.

Several wrecks have been identified, mostly the result of the Battle of Kwajalein: