(n.) The quality of being sour; sourness; tartness; sharpness to the taste; as, the acidity of lemon juice.
Example Sentences:
(1) The amino acid sequence deduced from the nucleotide sequence contained both amino- and carboxyl-terminal sequences.
(2) F(420) is photolabile aerobically in neutral and basic solutions, whereas the acid-stable chromophore is not photolabile under these conditions.
(3) The high amino acid levels in the cells suggest that these cells act as inter-organ transporters and reservoirs of amino acids, they have a different role in their handling and metabolism from those of mammals.
(4) If ascorbic acid was omitted from the culture medium, the extensive new connective tissue matrix was not produced.
(5) The interaction of the antibody with both the bacterial and the tissue derived polysialic acids suggests that the conformational epitope critical for the interaction is formed by both classes of compounds.
(6) Arachidic acid was without effect, while linoleic acid and linolenic acid were (on a concentration basis) at least 5-times less active than arachidonic acid.
(7) An unsaturated fatty acid auxotroph of Escherichia coli was grown with a series of cis-octadecenoate isomers in which the location of the double bond varied from positions 3 to 17.
(8) The ability of azelastine to influence antigen-induced contractile responses (Schultz-Dale phenomenon) in isolated tracheal segments of the guinea-pig was investigated and compared with selected antiallergic drugs and inhibitors of arachidonic acid metabolism.
(9) After 4 to 6 hours of recirculation, accumulation of vasoactive amine, 5-hydroxytryptamine, its major metabolite, 5-hydroxyindole acetic acid, and its precursor amino acid, tryptophan were detected.
(10) Spectrophotometric determination of the sulfhydryl content in the animal tissue before (control) and after using 6,6'-Dithiodinicotinic acid is applied.
(11) This death is also dependent on the presence of chloride and is prevented with the non-selective EAA antagonist, kynurenic acid, but is not prevented by QA.
(12) However, four of ten young adult outer arm (relatively sun-exposed) and one of ten young adult inner arm (relatively sun-protected) fibroblasts lines increased their saturation density in response to retinoic acid.
(13) Microionophoretically applied excitatory amino acids induced firing of extracellularly recorded single units in a tissue slice preparation of the mouse cochlear nucleus, and the similarly applied antagonist 2-amino-5-phosphonovalerate (2APV) was demonstrated to be a selective N-methyl-D-aspartate (NMDA) receptor antagonist.
(14) The LD50 of the following metal-binding chelating drugs, EDTA, diethylenetriaminepentaacetic acid (DTPA), hydroxyethylenediaminetriacetic acid (HEDTA), cyclohexanediaminotetraacetic acid (CDTA) and triethylenetetraminehexaacetic acid (TTHA) was evaluated in terms of mortality in rats after intraperitoneal administration and was found to be in the order: CDTA greater than EDTA greater than DTPA greater than TTHA greater than HEDTA.
(15) Estimations of the degree of incorporation of 14C from the radioactive labeled carbohydrate into the glycerol and fatty acid moieties were carried out.
(16) The second amino acid residue influences not only the rate of reaction but also the extent of formation of the product of the Amadori rearrangement, the ketoamine.
(17) Leumorphin is a 29-amino-acid peptide derived from preproenkephalin B. Intracerebroventricular (i.c.v.)
(18) Hepatic lymph flow increased only after ethacrynic acid and mannitol administration.
(19) The subcellular distribution of sialyltransferase and its product of action, sialic acid, was investigated in the undifferentiated cells of the rat intestinal crypts and compared with the pattern observed in the differentiated cells present in the surface epithelium.
(20) A phytochemical investigation of an ethanolic extract of the whole plant of Echites hirsuta (Apocynaceae) resulted in the isolation and identification of the flavonoids naringenin, aromadendrin (dihydrokaempferol), and kaempferol; the coumarin fraxetin; the triterpene ursolic acid; and the sterol glycoside sitosteryl glucoside.
Aridity
Definition:
(n.) The state or quality of being arid or without moisture; dryness.
(n.) Fig.: Want of interest of feeling; insensibility; dryness of style or feeling; spiritual drought.
Example Sentences:
(1) In the far east is the arid, depressed country leading down Hell’s Canyon, which bottoms out at the Snake River, which the wolves crossed when they moved from Idaho, and which they now treat more as a crosswalk than a barrier.
(2) The first stop in this arid place of poor farms and orchards clinging to the dry soil is Rafah, cut off by the border from its Palestinian counterpart.
(3) The influence of salt mixtures consisting of Ca(H2PO4)2, trace elements, CaSO4, CaCO3, Na2CO3, NaCl and K2SO4 in different combinations on the nitrifying power, evolution of carbon dioxide and the total number of bacteria was studied in arid soils (sandy and alluvial) and semi-humid ones (chernozem and rendzina).
(4) In a summit in Paris last week, the west African nations of Cameroon, Chad and Niger agreed to each contribute a battalion to form a border patrol troop based around the arid Sahelian belt, large swaths of which have fallen under the control of Islamist terrorists in recent years.
(5) The chancellor was full of jokes at Labour’s expense yesterday: gags about Wallace and Gromit, Emily Thornberry, the arid Red Planet.
(6) The present study investigated the release from dogs and subsequent survival of Echinococcus eggs in Turkana huts, water-holes and in the semi-arid environment.
(7) In the arid Ica region where Peruvian asparagus production is concentrated, this thirsty export vegetable has depleted the water resources on which local people depend.
(8) This was found to be the method of choice in coccidiosis control in replacement pullets in the semi-arid subtropical climate of Rhodesia.
(9) Distribution of the lesion follows that of trachoma among contemporary Aboriginal people, with the highest frequencies occurring in the hotter, arid portions of the Australian continent.
(10) Tens of thousands of civilians fleeing the vast, arid north say they are caught between the militants and brutal army reprisals.
(11) The town, about 80km from Somalia in Kenya's arid Garissa region, has been drawing in refugees for more than two decades, throwing up complex problems that fuel Kenya's frustration at having handled more than its share of the "Somalia problem", says Badu Katelo, Kenya's acting commissioner for refugees.
(12) arabiensis is the predominant or exclusive species in dry and semi-arid areas.
(13) Our sandfly probe consists of a 3.2 kb fragment of the intergenic 'non-transcribed' spacer of rDNA of P. papatasi that we have detected only in this species: it is present in all six geographically isolated populations tested (from Tunisia through to India) but cannot be detected in the morphologically similar P. (Phlebotomus) duboscqi Neveu-Lemaire, the vector of Leishmania major south of the Sahara; it also cannot be detected in Phlebotomus species of the subgenera Larroussius and Paraphlebotomus that together with P. papatasi are the dominant man-biting sandflies in north African foci of zoonotic cutaneous leishmaniasis, where (as in many arid regions of western Asia) P. papatasi is believed to be the sole vector of L. major.
(14) Arid subtropical climate zones are expanding poleward.
(15) The Kalgoorlie-Boulder-Kambalda area in arid inland Western Australia receives its water supply from distant Perth, through a pipeline constructed in the fabulous goldrush period at the turn of the century.
(16) Although environmental temperature has often been seen as the primary factor determining reproductive cycles in reptiles, this study suggests that temperature is a necessary but not a sufficient condition for successful reproduction and that the availability of adequate resources may assume an overriding importance, especially in arid habitats where annual rainfall may be highly unpredictable.
(17) "It was shortly after the big four-oh, in a car park somewhere in the arid wastes of suburbia, when I was Tasered with the realisation that I would never again have to go on a crash diet" is how South African novelist Lauren Liebenberg opens her fiery burst of autobiography in the new book.
(18) Altogether 900 people were examined in different sites of the semiarid and arid Turkana region.
(19) This article discusses epidemiology and control of equine parasites in the southern United States, where climates vary from warm temperate to subtropical and from humid in the southeast to arid in the southwest.
(20) Altogether 23 male patients with Reiter's disease (RD) were followed-up in an arid zone.