During prolonged fasting or very low calorie diets, the reduction of blood glucose, the preferred energy source of the brain, causes the body to deplete its glycogen stores.

During the compensated phase on insulin resistance insulin levels are higher, and blood glucose levels are still maintained.

During the clamp, the plasma tracer concentrations enable the calculation of whole-body insulin-stimulated glucose metabolism, as well as the production of glucose by the body ( i. e., endogenous glucose production ).

During the pregnancy ( usually later in it ), the woman may have glucose ( sugar ) in her blood at a higher than normal level.

During torpor, to prevent dehydration, the GFR slows, preserving necessities for the body such as glucose, water and salts.

During starvation or a long physical training session, the body starts using fatty acids instead of glucose.

During the initial stages of this process, blood glucose levels are maintained through gluconeogenesis, and the adult brain does not burn ketones.

During an alarming situation in which a threat is detected and signaled to the hypothalamus from primary sensory and limbic structures, cortisol is one way the brain instructs the body to attempt to regain homeostasis – by redistributing energy ( glucose ) to areas of the body that need it most, that is, toward critical organs ( the heart, the brain ) and away from digestive and reproductive organs, during a potentially harmful situation in an attempt to overcome the challenge at hand.

During digestion, bonds between glucose molecules are broken by salivary and pancreatic amylase, resulting in progressively smaller chains of glucose.

During a water bath, which is usually 4 – 10 minutes, the solution should progress in the colors of blue ( with no glucose present ), green, yellow, orange, red, and then brick red or brown ( with high glucose present ). A colour change would signify the presence of glucose.

During exercise, despite decreased insulin concentrations, muscle increases GLUT4 translocation and therefore glucose uptake.

During times of low glucose ( such as fasting ), the brain will primarily use ketone bodies for fuel with a smaller requirement for glucose.

During a single acute exercise bout, AMPK allows the contracting muscle cells to adapt to the energy challenges by increasing expression of hexokinase II, translocation of GLUT4 to the plasma membrane, for glucose uptake, and by stimulating glycolysis.

During ethanol fermentation, glucose is decomposed into ethanol and carbon dioxide.

During periods of ample glucose supply, most GK activity can be found in the peripheral cytoplasm where glycogen synthesis is occurring.

During fasting, the normal conversion of triglycerides to free fatty acids, ketones, and ultimately glucose is impaired.

During the second phase, typical findings include elevated protein levels, increased leukocyte count, or a decrease in glucose levels of the cerebrospinal fluid ).

During the Tang Dynasty ( 618-907 ), the Chinese used a silver canister where written lots could be drawn that designated which player had to drink and specifically how much ; for example, from 1, 5, 7, or 10 measures of drink that the youngest player, or the last player to join the game, or the most talkative player, or the host, or the player with the greatest alcohol tolerance, etc.

During his two terms as president, Khatami advocated freedom of expression, tolerance and civil society, constructive diplomatic relations with other states including those in the Asia and European Union, and an economic policy that supported a free market and foreign investment.

During World War II, Fleischmann's developed a granulated active dry yeast for the United States armed forces, which did not require refrigeration and had a longer shelf life and better temperature tolerance than fresh yeast ; it is still the standard yeast for US military recipes.

During the Age of Enlightenment, the Jewish Haskalah movement pursuing emancipation orientated itself by German protagonists like Moses Mendelssohn as in the Prussian lands under Frederick the Great, so-called Schutzjuden were able to live under the circumstances of a limited religious tolerance.

During the debate on decriminalisation of Homosexuality in the Dáil in 1993, he agreed with a statement by Fine Gael TD, Brendan McGahon which reads: " Homosexuality is a departure from normality and while homosexuals deserve our compassion they do not deserve our tolerance " and who described homosexuals as being " like lefthand drivers driving on the right-hand side of the road.

During the 2000 presidential campaign, McKinney wrote that " Al Gore's Negro tolerance level has never been too high.

During its first five years of operation, over 339, 000 Malaysian youth participated in the PLKN ( the Bahasa Malaysian acronym for " Malaysian National Service "), which is intended to promote tolerance, team work, and community engagement.

During the era of relative religious tolerance that followed, writers such as the Jewish theologian Maimonides ( 1135 – 1204 ) or the Muslim polymath ( 1126 – 1198 ) Averroes penned works of theology, science, philosophy, and mathematics that would have lasting impacts on Hebrew and Muslim philosophy and prove essential to the flowering of the European Renaissance centuries later.

During the period of the Mongol Yuan dynasty, China was open for trade and foreign intercourse of all kinds, including religious tolerance.

During the 19th century until the early 20th century, the tekke of Konitsa, similarly to other Albanian Bektashi tekkes, was a covert center of culture, learning and tolerance, but also Albanian national activism against the Ottoman Empire.

During his sojourn in Ferrara, which lasted for six years, Amatus Lusitanus received an invitation from the King of Poland to move to that country, which he declined, preferring to settle in Ancona, where religious tolerance existed.

During the interregnum szlachta has passed the Warsaw Confederation act which guaranteed unprecedented religious tolerance to all citizens of the Commonwealth.

During his campaign, he stressed health care and education, and supported the teaching in school of religious tolerance.

During the 1970s and 1980s it was also used to test the ability of containers of radioactive material to withstand impacts and other accidents.

" During the first semester break Stresemann gave him a test to identify treecreepers and Mayr was able to identify most of the specimens correctly.

During a NASA wind tunnel test, a model of the Space Shuttle is targeted by a beam of electrons, simulating the effect of ion izing gases during re-entry.

During a test session at Riverside International Raceway in August 1966, with Ken Miles driving, the car suddenly went out of control at the end of Riverside's high-speed, 1-mile-long back straight.

During a test, rowers will row a set distance and try to clock the fastest time possible.

During the British Grapple X test of 8 November 1957 which took place directly above the southeastern tip of Christmas Island, yield was stronger than expected and there was some blast damage in the settlements.

* 2005 – Texas City Refinery explosion: During a test on a distillation tower liquid waste builds up and flows out of a blowout tower.

During its test, it was referred to as mecha.

During a simulation, the laser successfully destroyed a Titan missile booster in 1985, however the test setup had the booster shell pressurized and under considerable compression loads.

During the 1960 presidential campaign, the issue of whether the nation would for the first time elect a Catholic to the highest office in the land raised the specter of an implicit, but no less effective, religious test.

During the first United States nuclear test on 16 July 1945, electronic equipment was shielded due to Enrico Fermi's expectation of an electromagnetic pulse from the detonation.

During the emotional selection phase, dreams test prior schema accommodations.

During a test of his equipment for measuring the east-west effect, Rossi observed that the rate of near-simultaneous discharges of two widely separated Geiger counters was larger than the expected accidental rate.

During the Kamakura period ( 1185-1333 ) the Japanese sword smiths achieved the highest level of technical excellence and because the war between two influential families, the Minamoto and the Taira, made it possible to test and evaluate swords under the severest of conditions.

During experiments in which the complex was reconstituted in test tubes, Altman and his group discovered that the RNA component, in isolation, was sufficient for the observed catalytic activity of the enzyme, indicating that the RNA itself had catalytic properties, which was the discovery that earned him the Nobel prize.

During American involvement in World War II, the Office of Strategic Services ( OSS, predecessor to the CIA ) used facilities and staff at St. Elizabeths hospital to test " truth serums ".

During the New Zealand v West Indies test at Christchurch in March 1987, Hadlee and captain Jeremy Coney had a disagreement in the dressing room prior to the game.

During the course of the story it is revealed that the Riverworld had been created as a form of moral test for humanity.

During World War I, the grounds were used to test the first British tanks.

During test shooting on location in New Orleans, Hopper fought with the production's ad hoc crew for control.

During the test, she gives birth to a " sturdy boy with thick yellow hair " whom Math names Dylan and who takes on the nature of the seas until his death at his uncle Gofannon's hands.

During the test, she gives birth to a " sturdy boy with thick yellow hair " whom Math names Dylan and who takes on the nature of the seas until his death at his uncle Gofannon's hands.

During 1989 L ' Oreal ceased to test finished products prior to their launch on the market and has committed to developing alternative methods.

** During the 2009 season the tribes were initially divided into " Smart " and " Dumb " based on the results of an IQ test the contestants took prior to the start of the competition.