Both theories easily describe the first reaction: CH < sub > 3 </ sub > COOH acts as an Arrhenius acid because it acts as a source of H < sub > 3 </ sub > O < sup >+</ sup > when dissolved in water, and it acts as a Brønsted acid by donating a proton to water.

Both the lower pH and higher aluminium concentrations in surface water that occur as a result of acid rain can cause damage to fish and other aquatic animals.

Both DGLA and AA can be made from the omega-6 linoleic acid ( LA ) in the human body, or can be taken in directly through food.

Both lifestyle changes and medications can decrease uric acid levels.

Both chickens and turkeys have identical sequence ( amino acid for amino acid ), whereas ducks possess molecules differing by one amino acid.

Both DGLA and AA can be made from the omega-6 linoleic acid ( LA ) in the human body, or can be taken in directly through food.

Both Gose and Berliner Weisse acquire their sourness through the use of lactic acid bacteria in the fermentation in addition to yeast.

Both the phenol compounds cichoric acid and caftaric acid are present in E. purpurea, other phenols include echinacoside, which is found in greater levels within E. angustifolia and E. pallida roots than in other species.

Both of these agents are folic acid antagonists that interfere with the action of dihydrofolate reductase, resulting in cell death during the S phase of the cell cycle.

Both species produce lactic acid, which gives yogurt its tart flavor and acts as a preservative.

Both L and D isomers of lactic acid are produced in the rumen ; these isomers are metabolized by different metabolic pathways, and activity of the principal enzyme involved in metabolism of the D isomer declines greatly with lower pH, tending to result in an increased ratio of D: L isomers as acidosis progresses.

Both families contain ellagic acid.

Both the Quideau and the WBSSH definitions disambiguate higher molecular weight and more structurally and functionally complex polyphenols from the simplest plant-derived natural phenols — monoaromatics such gallic and caffeic acid.

Both the aspartic acid and arginine active site residues are highly conserved among galactokinases.

Both acetic acid bacteria A. aceti and G. oxydans use glycerol as a carbon source to form dihydroxyacetone.

Both men were eventually found guilty at trial of conspiring to manufacture, distribute and dispense ten grams or more of a mixture or substance containing a detectable amount of lysergic acid diethylamide ( LSD ); Pickard received two life sentences, while Apperson received 30 years imprisonment.

Both conditions are treated with fibrate drugs, which act on the peroxisome proliferator-activated receptors ( PPARs ), specifically PPARα, to decrease free fatty acid production.

Both cAMP and Ca < sup > 2 +</ sup > act via protein kinases to increase the transport of acid into the stomach.

Both names reference the drug — POS 51, which the film centres around — that is apparently " fifty-one times more powerful than cocaine, fifty-one times more hallucinogenic than acid, fifty-one times more explosive than ecstasy.

Both concepts are undergoing alteration ; ;

`` Both children are musical and my wife is a music lover of unfailing instinct and judgement ''.

Both I and my feelings come up out of a chain of events that fan out into the past into sources that are ultimately very unlike the entity which I now am.

Both are predictably destined to fail.

Both men are known to be honest and public-spirited.

Both allowances are governed by conditions and restrictions set forth in detail in the state's Travel Regulations.

Both of these systems are essential for the production, development, and use of the National Forests.

Both the photocathode and the image plane of such an electrode configuration are curved concave as seen from the anode aperture.

Both stages are assumed to have unity magnification.

Both man and wife should be aware of the fact that a lack of climax, and even the absence of the anticipated keen pleasure are not a sign that the wife may be cold or frigid.

Both are primarily concerned with the uses that can be made of the material that the collector has found.

Both the conditions and the complicity are documented in considerable detail.

Both Miss Garson and her oilman-rancher husband are active supporters of Boys Clubs of America and patrons of the vivid art and opera colony that flourishes in New Mexico.

Both are 6 feet tall and weigh between 195 and 200 pounds, but Mantle, incredibly muscular ( he has a 17-1/2-inch neck ), looks bigger.

Both are good bunters: Maris once beat out eighteen of nineteen in the minor leagues ; ;

Both are good, daring fielders: Mantle covers more ground ; ;

Both these types, and those in between, are in existence by reason of a legislative interest in libraries that began at Albany as early as 1950, with the creation by the legislature of county library systems financed by county governments with matching funds from the state.

Both eventualities are possible logically, but practically they are impossible.

Both are members of the Organization of the Petroleum Exporting Countries, the African Union and other multilateral organizations.

Both terms anti-Semitism and antisemitism are in common use.

Both the nation and the economy are nascent.

Both Spirit Prison and Paradise are temporary according to Latter-day Saint beliefs.

Both are connected with the Proto-Indo-European root * ank -, meaning " to bend " or " bow ".

Both these popular methods are used to analyze sound and better understand the acoustic phenomenon.