(n.) Any one of two or more distinct crystalline forms of the same substance; or the substance having such forms; -- as, carbonate of lime occurs in the allomorphs calcite and aragonite.
(n.) A variety of pseudomorph which has undergone partial or complete change or substitution of material; -- thus limonite is frequently an allomorph after pyrite.
Example Sentences:
(1) Allomorphic relationships in chickens selected for high or low juvenile body weight and their reciprocal crosses were examined from hatch to 56 days of age (doa).
(2) The H-2w homozygotes were then characterized by serological typing with monoclonal and polyclonal antibodies specific for the known allomorphs controlled by the class I H-2K and H-2D loci or the class II H-2A and H-2E loci.
(3) Controlled winding and stretching deformations are used to study how the two allomorphs and different base sequences absorb such external stress.
(4) This reduced fermentation rate was apparently due to the partial conversion of the cellulose from the type I to the type II allomorph, since mercerized (type II) cellulose was also fermented more slowly, and only after a much longer lag period.
(5) The in vivo site at which the different allomorphs of the E alpha Ia molecule exert their Ir gene effect on the immune response to pigeon cytochrome c was examined by creating two different sets of radiation-induced bone marrow chimeras.
(6) Allomorphic growth of organs and feed utilization were measured in cockerels from two meat lines known to differ in growth potential under alternate-day and daily feeding of diets differing in nutrient density.
(7) Allomorph (allele determined by electrophoresis) frequencies for 20 enzyme (loci) were calculated and 7 populations (Texas, Mexico, Belize, Guatemala, Ecuador [EC], Venezuela, and the Dominican Republic [DR]) were compared pairwise in the statistic of genetic identity (I) (level of genetic similarity).
(8) Sequencing of the PCR products and transfection of these to Fc gamma R- cells indicated that in Fc gamma RIIa of HR or LR individuals: (i) three nucleotide substitutions (CA to TG and G to A) resulted in the change of glutamine to tryptophan at position 27 (first extracellular domain) and arginine to histidine at position 131 (second extracellular domain); (ii) expression of cDNA encoding the various combinations of these indicated that arginine at position 131 was essential for IgG1 binding whereas the amino acid changes at position 27 had no effect; and (iii) IgG1 at high concentration bound to all allomorphic forms of Fc gamma RIIa.
(9) In addition, the 'logic' of assuming Contrast leads to insurmountable difficulties in the acquisition of irregular forms and allomorphs.
(10) Thus, it is unlikely that these enzymic variants reflect allomorphic forms of P-450 3b.
(11) The allomorph obtained by this process seems to correspond to the so-called 'tendon-chitosan'.
(12) Limiting dilution analysis confirmed a number of antigenic relationships suggested by the long-term T cell clones and revealed that T cells specific for allomorphic protease determinants were at least as frequent in the blood of immune donors as were T cells committed to conserved determinants.
(13) Lutzomyia youngi Feliciangelis and Murillo and L. spinicrassa Morales, Osorno, Osorno, and Hoyos each have diagnostic allomorphs for phosphogluconate dehydrogenase (6PGDH) and fumarate hydratase (FUM).
(14) These clones defined five AP and three E specificities and suggested the existence of at least five allomorphic determinants expressed on the proteases of various Pseudomonas strains.
(15) Heterozygotes of hexokinase-1 and phosphoglucomutase displayed 2 allomorphs in equal dosage, indicating that trichomonads are diploid for these protein loci.
(16) A diagrammatic representation of the allomorphs among the 72 isolates is included.
(17) When isolated, the two major bands again produced an "isoelectric spectrum" suggesting that it reflects an allomorphism of cx-flagellin.
(18) With respect to the coupling factor's ability to hydrolyze ATP, the data in this study suggest that there are at least four distinct functional allomorphs of this enzyme: (1) the latent enzyme, which has no kinetically measurable ATPase activity, (2) intrinsic ATPase, which is catalyzed by a small percentage of the molecular population that has been activated by some natural mechanism, (3) activated ATPase, which has properties different from those of intrinsic ATPase, and (4) aged activated ATPase, in which some of the properties (Km for substrate, sensitivity to deactivation by Mg2+ and H+) spontaneously change within 30 min.
(19) Thus, we assume that they are stable conformational isomers of the proteins (allomorphism) or that there are only slight variations in the internal sequences of these proteins (polymorphism) causing distinct pIs.
Stopper
Definition:
(n.) One who stops, closes, shuts, or hinders; that which stops or obstructs; that which closes or fills a vent or hole in a vessel.
(n.) A short piece of rope having a knot at one or both ends, with a lanyard under the knot, -- used to secure something.
(n.) A name to several trees of the genus Eugenia, found in Florida and the West Indies; as, the red stopper. See Eugenia.
(v. t.) To close or secure with a stopper.
Example Sentences:
(1) On the basis of genetic, phenotypic and physiological criteria, these mutants are divided into four groups: 1) the cytochrome aa3 and b deficient "poky" variants that are defective in mitochondrial ribosomes assembly, 2) the cytochrome aa3 deficient mutants, [mi-3] and [exn-5], that appear to have genetic lesions affecting a component of a regulatory system controlling cytochrome aa3 synthesis, 3) the cytochrome aa3 and b deficient "stopper" mutants with physiological lesions that probably affect mitochondrial protein synthesis, and 4) cni-3, a mutant that is constitutive for an inducible mitochondrial cyanide-insensitive oxidase in spite of having a normal cytochrome mediated electron-transport system.
(2) The cannulation system consists of an injection port 'In Stoppers' as a flow swivel, connected to an injection needle, which is inserted into a polyethylene tube protected by a steel spiral.
(3) The system prevents stoppers from being dislodged by gas-producing anaerobes and keeps the stoppers sterile so that the closed system of transfer can be conveniently utilized.
(4) "I am not sure there was any single policy show-stopper, but they just wanted to go in with the Conservatives in the end.
(5) I’ve always thought, if you like eating it, you should learn to make it, so that you can eat it more often.” The season closes on Wednesday, with a final show-stopper challenge, and the return of all the candidates who have died trying.
(6) Mixed cultures of epithelial cells and fibroblasts, derived from primary cultures of the skin of embryo rats, grown always in rubber-stoppered T-60 flasks, first yielded a transplantable tumor from the 52nd passage, at the end of 13 months of frequently repeated subculture.
(7) Rubber stoppers adsorb (or dissolve) HCN when in contact with this gas.
(8) Rather, the product moisture content increases with time and reaches an apparent equilibrium value characteristic of the product, amount of product, and stopper treatment method ("SV1" much greater than "U" greater than "SV1").
(9) At 72 hr, stoppered Erlenmeyer flasks, which originally contained 1% ethanol, still had a concentration of 0.85%.
(10) The drinking tube is fitted to a rubber stopper at the top of a 250 ml soft polyethylene bottle.
(11) The capacity of stoppers to bind Chinosol physically is expressed quantitatively by a partition coefficient.
(12) The number of particles released from a stopper during sterilization varies considerably between different stoppers and even between different batches of the same stopper.
(13) A comparison of the two groups suggests that the average "spacer" among new acceptors is 24 years old and has 2.6 living children, of whom the youngest is 12.0 months, while the average "stopper" is 34 years old and has 6.2 living children, of whom the youngest is 25.9 months.
(14) The cause of there abnormal values was investigated, and significant interference was observed when blood samples were drawn using evacuated glass tubes sealed with butyl rubber stoppers.
(15) The toxic material originated from zinc compounds that were present in the rubber stopper and plunger of the container and that subsequently leached into the formulation.
(16) Not even when I put a stopper in it and that bottle lasts well over a month.
(17) An extensive bacteriological screening of the staff was negative, but in the ward environment, F. meningosepticum was found around sinks, on rubber stoppers for milk bottles and on "cleaned" teats.
(18) Bill Hamid, Nick Rimando, Adam Kwarasey, Sean Johnson, David Ousted among others are all exceptional shot-stoppers and could certainly command a place at a top European team if they so desired.
(19) Deschamps’ problems lie elsewhere, namely in a back four which – with Kurt Zouma, Raphaël Varane and Jérémy Mathieu injured and Mamadou Sakho not picked because of his initial doping suspension – will miss the presence of a true stopper to play alongside Laurent Koscielny in central defence.
(20) In Expt I, Co2+ concentration increased after drinking, and remained elevated until the stopper was removed.