(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.
Representation
Definition:
(n.) The act of representing, in any sense of the verb.
(n.) That which represents.
(n.) A likeness, a picture, or a model; as, a representation of the human face, or figure, and the like.
(n.) A dramatic performance; as, a theatrical representation; a representation of Hamlet.
(n.) A description or statement; as, the representation of an historian, of a witness, or an advocate.
(n.) The body of those who act as representatives of a community or society; as, the representation of a State in Congress.
(n.) Any collateral statement of fact, made orally or in writing, by which an estimate of the risk is affected, or either party is influenced.
(n.) The state of being represented.
Example Sentences:
(1) A spokesman for the Greens said that the party was “disappointed” with the decision and would be making representations to both the BBC and BBC Trust .
(2) Enhanced sensitivity to ITDs should translate to better-defined azimuthal receptive fields, and therefore may be a step toward achieving an optimal representation of azimuth within the auditory pathway.
(3) Two mechanisms are evident in chicks' spatial representations: a metric frame for encoding the spatial arrangement of surfaces as surfaces and a cue-guidance system for encoding conspicuous landmarks near the target.
(4) This paper reports two experiments concerned with verbal representation in the test stage of recognition memory for naturalistic sounds.
(5) The predominant specific aberrations in gliomas were an over-representation of chromosome 7 (13 cases) and an under-representation of chromosome 10 (16 cases).
(6) The Fink-Heimer techniques were used to determine the neostriatal projections from cortical M1 and S1 physiologically identified representations of the forepaw.
(7) Electrophysiological methods were used to determine changes in the neural representation of the binocular visual field at the paired midbrain optic tecta and in the tectal projection of pairs of corresponding retinal loci at various developmental points between these ages.
(8) Additional research: Suzie Worroll, James Browning, Grace Nzita and Nicolas Niarchos How do you feel about the representation of women in British public life?
(9) Neurons with receptive fields confined to the maxillary division of the trigeminal innervation field are found within a ring of cortex which a) completely surrounds the representation of the ophthalmic field, and b) includes parts of cytoarchitectural area 2, 1, 3, and 3a.
(10) Unlike SI, which possesses a disproportionately large representation of the rostrum, SII has no specialized representation of the rostrum.
(11) The correlation is likely to reflect language representation.
(12) A second pattern of representation of body movements, the supplementary motor area (SMA), adjoined the rostromedial border of M-I.
(13) The shock death of the 65-year-old designer in Miami on Thursday has brought renewed focus on the chronic lack of female representation in the profession’s upper ranks in the UK.
(14) We compared only patterns of labeling resulting from injections into similar parts of the frequency representation in different fields to insure that observed differences in patterns of labeling did not simply reflect differences in the frequency representation at the injection sites.
(15) We'd talked to them about proportional representation, and Andrew Adonis was leading our approach with David Laws for the Lib Dems, and we'd worked out our policy on all these things.
(16) Furthermore, the approach provides a nice graphical representation of the relationships between the PK-PD parameters and covariates.
(17) This white child had as his alter-ego, really as part of his self-representation, a black half of the self, personified as a black boy whom he fantasized to be his twin.
(18) Among the theoretical proposals put forward to account for the observed disorders, those relating to a disturbance of the action planning process and to that of the internal representation of context are compatible with the observed memory disorders.
(19) They also suggest that both the migration of cortical neurons on glia and the refinement of the mapping between the peripheral whisker field and its cortical representation may depend upon the distribution of substrate adhesion molecules.
(20) From the patients' performance we make the following theoretical claims: that some arithmetic facts are stored in the form of individual fact representations (e.g., 9 x 4 = 36), whereas other facts are stored in the form of a general rule (e.g., 0 x N = 0); that arithmetic fact retrieval is mediated by abstract internal representations that are independent of the form in which problems are presented or responses are given; that arithmetic facts and calculation procedures are functionally independent; and that calculation algorithms may include special-case procedures that function to increase the speed or efficiency of problem solving.