(a.) Preceding all others of a series or kind; the ordinal of one; earliest; as, the first day of a month; the first year of a reign.
(a.) Foremost; in front of, or in advance of, all others.
(a.) Most eminent or exalted; most excellent; chief; highest; as, Demosthenes was the first orator of Greece.
(adv.) Before any other person or thing in time, space, rank, etc.; -- much used in composition with adjectives and participles.
(n.) The upper part of a duet, trio, etc., either vocal or instrumental; -- so called because it generally expresses the air, and has a preeminence in the combined effect.
Example Sentences:
(1) First results let us assume that clinically silent TIAs also (in analogy to clinically silent brain infarctions) could be detected and located.
(2) Here we report that sperm from psr males fertilizes eggs, but that the paternal chromosomes are subsequently condensed into a chromatin mass before the first mitotic division of the egg and do not participate in further divisions.
(3) However, when first trimester specimens were analyzed, the direct-product measurements were significantly larger than the corresponding 3H2O assay results.
(4) In Patient 2 they were at first paroxysmal and unformed, with more prolonged metamorphopsia; later there appeared to be palinoptic formed images, possibly postictal in nature.
(5) Van Persie's knee injury meant that Mata could work in tandem with the delightfully nimble Kagawa, starting for the first time since 22 January.
(6) These studies led to the following conclusions: (a) all the prominent NHP which remain bound to DNA are also present in somewhat similar proportions in the saline-EDTA, Tris, and 0.35 M NaCl washes of nuclei; (b) a protein comigrating with actin is prominent in the first saline-EDTA wash of nuclei, but present as only a minor band in the subsequent washes and on washed chromatin; (c) the presence of nuclear matrix proteins in all the nuclear washes and cytosol indicates that these proteins are distributed throughout the cell; (d) a histone-binding protein (J2) analogous to the HMG1 protein of K. V. Shooter, G.H.
(7) The issue of the Schizophrenia Bulletin is devoted to articles representing this full range of conceptual and empirical work on first-episode psychosis.
(8) We conclude that first-transit and blood-pool techniques are equally accurate methods for determining EF when the time-activity method of analysis is employed.
(9) Oculomotor paresis with cyclic spasms is a rare syndrome, usually noticeable at birth or developing during the first year of life.
(10) In early 2000, during the first months of Vladimir Putin’s presidency, Babitsky was kidnapped by Russian forces and disappeared for many weeks.
(11) The Frenchman’s 65th-minute goal was a fifth for United and redemptive after he conceded the penalty from which CSKA Moscow took a first-half lead.
(12) The intrauterine mean active pressure (MAP) in the nulliparous group was 1.51 kPa (SD 0.45) in the first stage and 2.71 kPa (SD 0.77) in the second stage.
(13) For the first time it was organized on the basis of population.
(14) Immunocompetence was also evident when the cells from thymectomized donors were first incubated with thymus extract for 1 hr and subsequently tested for reactivity.
(15) gamma-Aminobutyric acid (GABA) and glutamate release from the treated side was higher than the control value during the first 2-3 h, a result indicating an important role of glial cells in the inactivation of released transmitter.
(16) The results of the evaluation confirm that most problems seen by first level medical personnel in developing countries are simple, repetitive, and treatable at home or by a paramedical worker with a few safe, essential drugs, thus avoiding unnecessary visits to a doctor.
(17) Complementarity determining regions (CDR) are conserved to different extents, with the first CDR region in all family members being among the most conserved segments of the molecule.
(18) Despite of the increasing diagnostic importance of the direct determination of the parathormone which is at first available only in special institutions in these cases methodical problems play a less important part than the still not infrequent appearing misunderstanding of the adequate basic disease.
(19) The present findings indicate that the deafferented [or isolated] hypothalamus remains neuronally isolated from the environment if the operation is carried out later than the end of the first week of life.
(20) Amino acid sequence analysis showed that both peaks had identical N-terminal sequences through the first 28 residues.
Protoplast
Definition:
(n.) The thing first formed; that of which there are subsequent copies or reproductions; the original.
(n.) A first-formed organized body; the first individual, or pair of individuals, of a species.
Example Sentences:
(1) 25% of the incorporated radioactivity in protoplast lysates and approx.
(2) We have isolated an auxin-regulated cDNA, parB, from the early stage of cultured tobacco mesophyll protoplasts.
(3) Several subcellular fractions were derived from OK-432 and only the cytoplasmic and protoplast membrane fractions showed cytotoxic activity against the OK-432-sensitive tumor cell lines, although the cytotoxicity obtained was greatly less than the whole microorganism OK-432.
(4) The pH activity profile, cofactor requirements, and kinetic parameters of the endogenously activated chitin synthase were identical to those of the trypsin-activated enzyme in protoplast membranes.
(5) Osmotic gradient across the membrane of nonsonicated liposomes and rose petal protoplasts are shown to induce swelling.
(6) Unlike malate oxidation by osmotically shocked protoplasts, endogenous protoplast repiration was resistant to ferricianide 5.10(-4) M).
(7) The inhibition was also observed when cells were incubated with mercaptoethanol or when mercaptoethanol and DTT were used to prepare protoplasts.
(8) Regeneration of cells from protoplasts was monitored throughout the growth cycle and was most efficient when cells of either S. fradiae or S. griseofuscus were taken from the transition phase between the exponential and stationary growth phases.
(9) (2) Protoplast fusion analysis indicates that rosamicin-nonproducing characteristics of MR 217-AF2 and MR 217-AF3 strains induced by the acriflavine treatment is due to chromosomal mutation or rearrangement but not to loss of a plasmid.
(10) When electroporated into maize protoplasts from a suspension cell line not synthesizing anthocyanins, reporter genes with Bz2, Bz1, and A1 promoters are expressed only when both R and C1 expression plasmids are co-electroporated.
(11) In the presence of a suitable carbon source, whole cells and protoplasts of Saccharomyces cerevisiae synthesized glycerol as a compatible organic solute in response to increased external osmotic pressure.
(12) Tobacco protoplasts were transformed with an expression construct containing a translational fusion between mature alpha-amylase from Bacillus licheniformis and the signal peptide of the tobacco PR-S protein.
(13) The number of binding sites on bacilli and protoplasts is determined for each phage.
(14) In both the experiments there were detected cells in their majority with thinner walls, L-form-like structures, protoplasts and single conglomerates of the cells with thicker walls and anomalous division and the cells at the moment of lysis.
(15) Rate determinations were made with both, intact cells and with preparations containing secreted enzymes from protoplasts.
(16) The effects of Mg2+ and Ca2+ ions on the efficiency of the plasmid transformation of lysozyme-treated Streptococcus lactis protoplasts were compared.
(17) Tnt1 has been isolated after its transposition into the nitrate reductase (NR) structural gene of tobacco, and transposition events have been detected through in vitro selection of spontaneous NR-deficient (NR-) mutant lines in cell cultures derived from tobacco mesophyll protoplasts.
(18) The effect of treatment of the protoplasts and cell membranes of C. albicans with polyenic entibiotics on formation of the ribosomal-membrane complex was studied in vitro.
(19) On the other hand, R medium without MgCl2 but with penicillin G supported development of L-form type colonies at high rate (13-15%) from the inoculated protoplasts.
(20) In comparison, in protoplasts a region upstream of the AC2 open reading frame was shown to have moderate promoter activity.