What's the difference between copy and first?

Copy


Definition:

  • (n.) An abundance or plenty of anything.
  • (n.) An imitation, transcript, or reproduction of an original work; as, a copy of a letter, an engraving, a painting, or a statue.
  • (n.) An individual book, or a single set of books containing the works of an author; as, a copy of the Bible; a copy of the works of Addison.
  • (n.) That which is to be imitated, transcribed, or reproduced; a pattern, model, or example; as, his virtues are an excellent copy for imitation.
  • (n.) Manuscript or printed matter to be set up in type; as, the printers are calling for more copy.
  • (n.) A writing paper of a particular size. Same as Bastard. See under Paper.
  • (n.) Copyhold; tenure; lease.
  • (n.) To make a copy or copies of; to write; print, engrave, or paint after an original; to duplicate; to reproduce; to transcribe; as, to copy a manuscript, inscription, design, painting, etc.; -- often with out, sometimes with off.
  • (n.) To imitate; to attempt to resemble, as in manners or course of life.
  • (v. i.) To make a copy or copies; to imitate.
  • (v. i.) To yield a duplicate or transcript; as, the letter did not copy well.

Example Sentences:

  • (1) When micF was cloned into a high-copy-number plasmid it repressed ompF gene expression, whereas when cloned into a low-copy-number plasmid it did not.
  • (2) On removal of selective pressure, the His+ phenotype was lost more readily than the Ura+ Trp+ markers, with a corresponding decrease in plasmid copy number.
  • (3) We have generated a series of mutants in the two copies of this motif present in human immunodeficiency virus type 1.
  • (4) The v-erb A oncogene of avian erythroblastosis virus is a mutated and virally transduced copy of a host cell gene encoding a thyroid hormone receptor.
  • (5) The fact that the security service was in possession of and retained the copy tape until the early summer of 1985 and did not bring it to the attention of Mr Stalker is wholly reprehensible,” he wrote.
  • (6) A method for constructing Ti plasmids bearing multiple copies of a sequence integrated in tandem is described.
  • (7) Overexpression of asparagine synthetase in beta-aspartyl hydroxamate-resistant lines without amplified copies of the gene was also correlated with DNA hypomethylation.
  • (8) This 54-bp fragment is present at about 2000-2500 copies in the bovine male genome.
  • (9) Construction of a repR-lacZ fusion proved that the increase in copy number was due to a proportional increase in the amount of RepR protein.
  • (10) The E2A mutants were propagated by growth in human cell lines which express an integrated copy of the DBP gene under the control of a dexamethasone-inducible promoter (D. F. Klessig, D. E. Brough, and V. Cleghon, Mol.
  • (11) The fusion was prepared in multicopy (pVLN102 plasmid) and low-copy-number states, the latter constructed as a lambda phage lysogen carrying a fur'-'lacZ insert.
  • (12) An expanded version of this paper, containing full experimental details of the semisynthesis and characterization of [GlyA1-3H]insulin, has been deposited as Supplementary Publication SUP 50129 (30 pages) at the British Library (Lending Division), Boston Spa, Wetherby, West Yorkshire LS23 7BQ, U.K., from whom copies can be obtained on the terms indicated in Biochem.
  • (13) All 51 undifferentiated NPCs contained significant numbers of EBV-genome copies per cell.
  • (14) By way of encouragement we've got 10 copies of Faber's smart new anniversary edition to give away.
  • (15) Programmed gene rearrangements are used in nature to to alter gene copy number (gene amplification and deletion), to create diversity by reassorting gene segments (as in the formation of mammalian immunoglobulin genes), or to control the expression of a set of genes that code for the same function (such as surface antigens).
  • (16) All three units are present in the same, probably single, copy number.
  • (17) Some derivatives of pIJ101, a 8.9 kb Streptomyces multi-copy plasmid, can co-exist with each other at similar copy numbers but others are strongly incompatible.
  • (18) Genomic southern hybridization experiments clearly indicate that the ribosomal RNA genes are unique single-copy DNA in H. cutirubrum.
  • (19) We demonstrate here that this transporter is encoded by a single family of tandemly clustered genes containing approximately 8 copies of the 3.6 kilobase repeat unit.
  • (20) There are approximately 20 copies of Tc1(Hin) amongst the Tc1's present in the Bergerac genome.

First


Definition:

  • (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.