Although single genes have little effect on complex traits and interact heavily both between themselves and with the external factors, research is underway to unravel possible molecular mechanisms underlying anxiety and comorbid conditions.

Although the catapult has been used since ancient times, it has proven to be one of the most effective mechanisms during warfare.

Although the methylation system accounts for the wide range of sensitivity that bacteria have to chemical gradients, other mechanisms are involved in increasing the absolute value of the sensitivity on a given background.

Although much is known about the mechanisms behind the spread of cholera, this has not led to a full understanding of what makes cholera outbreaks happen some places and not others.

Although fear is one of the crucial evolutionary mechanisms for individual survival, in certain situations psychologically normal humans can behave without feeling fear, with a total neglect of potentially lethal risk.

Although this last approach required more complex mechanisms in many cases, it made for greater precision of results.

Although Vietnam's historical record of leadership in the revolution and its military power and proximity will not cease to exist, Laos struck out ahead of Vietnam with its New Economic Mechanism to introduce market mechanisms into its economy.

Although the specific mechanisms between mitochondria and the cell cycle regulation is not well understood, studies have shown that low energy cell cycle checkpoints monitor the energy capability before committing to another round of cell division.

Although plans to lift investment restrictions were announced in May 2012, the change awaited what administration officials said were detailed reporting requirements on U. S. companies doing business in Burma, along with creating mechanisms to prevent U. S. economic ties to the powerful Burmese military and individuals and companies involved in human rights abuses.

Although a complete theory of evolution also requires an account of how genetic variation arises in the first place ( such as by mutation and sexual reproduction ) and includes other evolutionary mechanisms ( such as genetic drift and gene flow ), natural selection appears to be the most important mechanism for creating complex adaptations in nature.

Although individual experiments, such as the set of solar neutrino experiments, are consistent with non-oscillatory mechanisms of neutrino flavor conversion, taken altogether, neutrino experiments imply the existence of neutrino oscillations.

Although the two splicing mechanisms described below do not require any proteins to occur, 5 additional RNA molecules and over 50 proteins are used and hydrolyzes many ATP molecules.

" ( Although the " reduction " mentioned is spurious as the two diagrams 3. 4 and 3. 5 are in fact the same ) and also " As we will see on the next few pages, the look-across interpretation introduces several difficulties which prevent the extension of simple mechanisms from binary to n-ary associations.

Although Vietnam's historical record of leadership in the revolution and its military power and proximity will not cease to exist, Laos struck out ahead of Vietnam with its New Economic Mechanism to introduce market mechanisms into its economy.

Although a relationship between hormone levels and ECM biosynthesis in vocal fold can be established, the details of this relationship, and the mechanisms of the influence has not been elucidated yet.

Although the exact mechanisms are not known, it is clear that dopamine and tonically active neurons play a key role here.

Although electroporation and dielectric breakdown both result from application of an electric field, the mechanisms involved are fundamentally different.

Although the basic mechanism is well established, the capability to predict the onset in present and future devices requires better understanding of the damping mechanisms which determine the threshold island size, and of the mode coupling by which other instabilities ( such as sawteeth in tokamaks ) can generate seed islands.

Although they have a common name, diabetes mellitus and diabetes insipidus are two entirely separate conditions with unrelated mechanisms.

Although the term commonly refers to wireless data transfer mechanisms ( e. g. using radio, hypersonic or infrared systems ), it also encompasses data transferred over other media such as a telephone or computer network, optical link or other wired communications like phase line carriers.

Although forced convection from thermal gas expansion in zero-g does not fuel a fire as well as natural convection in a gravity field, some types of artificial forced convection are far more efficient than free convection, as they are not limited by natural mechanisms.

Although < sup > 4 </ sup > He continues to be produced by other mechanisms ( such as stellar fusion and alpha decay ) and trace amounts of < sup > 1 </ sup > H continue to be produced by spallation and certain types of radioactive decay ( proton emission and neutron emission ), most of the mass of these isotopes in the universe, and all but the insignificant traces of the < sup > 3 </ sup > He and deuterium in the universe produced by rare processes such as cluster decay, are thought to have been produced in the Big Bang.

Although much is known about the mechanisms involved in the disease process, the cause remains unknown.

Although swimming with a snorkel is much easier than without, it is important that a novice swimmer also learns surface breathing and floating without a snorkel, in the event that these assistive clearing mechanisms fail.

Although he questions the extent and nature of the alleged revival of religion and the alleged increase in conformity, and thinks that `` hedonistic '' present-time orientation does not have the meaning usually attributed to it, he does conclude that Americans increasingly enjoy leisure without guilt, do not stress achievement so much as formerly, are more accepting of group harmony as a goal, more tolerant of diversity and aware of other cultures.

Although the false glamour surrounding bourbon or other whisky commercials is possibly no more fatuous than the pseudo-sophistication with which TV soft-drinks are downed or toothpaste applied, there is a sad difference between enticing a viewer into sipping Oopsie-Cola and gulling him into downing bourbon.

Although the United States and the U.S.S.R. have been arguing whether there shall be four, five or six top assistants, the most important element in the situation is not the number of deputies but the manner in which these deputies are to do their work.

Although today's trucks are as fast as passenger cars, a truck driver has to be a sensible person and guard against hogging the road.

Although they are forbidden to sit with the customers, the dancers are sometimes proffered drinks, and most of them can bolt one down in mid-shimmy.

Although there are many sound reasons for adopting uniform and coordinated fiscal years in Rhode Island, there are also certain difficulties encountered.

Although the site may not contain the features themselves, there are often opportunities to include them as additional interest to the site.

Although the play does show a certain structural amateurishness ( there are eleven acts varying in length from twenty-five seconds to an hour and a half ), the statement it makes concerning the ceaseless yearning and searching of youth is profound and worthy of our attention.

Although there is no question but that the process of washing fabrics involves a number of phenomena which are related together in an extremely complicated way and that these phenomena and their interrelations are not well understood at the present, this section attempts to present briefly an up-to-date picture of the physical chemistry of washing either fabrics or hard surfaces.

Although the standard deviation values on which spread of the lines is based are relatively larger for those centers which begin to ossify early ( Table 1 ), there are considerable differences in this value between centers having the closely timed Onsets.

Although in both emotions sympathetic symptoms are present, different autonomic-somatic patterns underlie aggression and anxiety, respectively, as indicated by the rate of the excretion of the catecholamines, the state of the muscle tone, and the Mecholyl test.

Although we are still far from a complete understanding of these problems, as a first approximation, it is suggested that alterations in the hypothalamic balance with consequent changes in the hypothalamic-cortical discharges account for major changes in behavior seen in various moods and states of emotions in man and beast under physiological circumstances, in experimental and clinical neurosis, and as the result of psychopharmacological agents.

Although the inner functions of religion are not of direct significance in social organization, they have important indirect consequences.

Although the Brandywine population is still predominantly rural, `` there are indications of a consistent and a statistically significant trend away from the older and relatively isolated rural communities.

Although science has given us more effective materials, preparations from anise, castorbean, colchicum, nux vomica, mustard, fennel, and stramonium are familiar to many for the relief of human ailments.

Although the Administration's program cut crop acreage to the lowest point since 1934, farmers, with the help of extra fertilizer and good weather, are getting such high yields per acre that many are being forced to buy new harvesting machines.

Although progress has been made in America's system of libraries it still falls short of what is required if we are to maintain the standards that are needed for an informed America.

Although the theological forms of the past continue to exist in a way they do not in a more secularized situation, the striking thing is the rapidity with which they are being reduced to a marginal existence.

Although there are landscapes in the show ( one of the strongest is a vista of `` Gloucester Harbor '' in 1915 ), the human element was the compelling factor in Sloan's art.