What's the difference between copy and repeat?

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.

Repeat


Definition:

  • (v. t.) To go over again; to attempt, do, make, or utter again; to iterate; to recite; as, to repeat an effort, an order, or a poem.
  • (v. t.) To make trial of again; to undergo or encounter again.
  • (v. t.) To repay or refund (an excess received).
  • (n.) The act of repeating; repetition.
  • (n.) That which is repeated; as, the repeat of a pattern; that is, the repetition of the engraved figure on a roller by which an impression is produced (as in calico printing, etc.).
  • (n.) A mark, or series of dots, placed before and after, or often only at the end of, a passage to be repeated in performance.

Example Sentences:

  • (1) Clinical surveillance, repeated laboratory tests, conventional radiology, and especially ultrasonography and CT scan all contributed to the preoperative diagnosis.
  • (2) Nine of 14 patients studied for documented clinical relapse had positive repeat studies.
  • (3) Comparison of wild type and the mutant parD promoter sequences indicated that three short repeats are likely involved in the negative regulation of this promoter.
  • (4) Pituitary weight, mitotic index and chromosomes were studied in male rats following a single or repeated dose of estradiol-benzoate for a total period of 210 days.
  • (5) A chronic cannulation procedure is described which allows for sampling vomeronasal organ (VNO) contents repeatedly in freely moving conscious subjects.
  • (6) The region containing the injection stop signal (iss) has been cloned and sequenced and found to contain numerous large repeats and inverted repeats which may be part of the iss.
  • (7) In view of reports of the reduction of telomeric repeats in human malignant tumors, we measured the lengths of telomeric repeats in 55 primary neuroblastomas.
  • (8) A domain containing a CA repeat, similar to ones found in other late, cAMP-induced Dictyostelium genes, is required for cAMP-induced and developmental expression.
  • (9) But it will be a subtle difference, because it's already abundantly clear there's no danger of the war being suddenly forgotten, or made to seem irrelevant to our sense of what Europe and the world has to avoid repeating.
  • (10) An axillo-axillary bypass procedure was performed in a high-risk patient with innominate arterial stenosis who had repeated episodes of transient cerebral ischemia due to decreased blood flow through the right carotid artery and reversal of blood flow through the right vertebral artery.
  • (11) Intensity thresholds for eliciting eating and drinking were different, and both thresholds decreased with repeated testing.
  • (12) Our experience indicates that lateral rhinotomy is a safe, repeatable and cosmetically sound procedure that provides and excellent surgical approach to the nasal cavity and sinuses.
  • (13) In crosses between inverted repeats, a single intrachromatid reciprocal exchange leads to inversion of the sequence between the crossover sites and recovery of both genes involved in the event.
  • (14) Each species has approximately 500 core histones cluster repeats per haploid genome.
  • (15) We identified four distinct clinical patterns in the 244 patients with true positive MAI infections: (a) pulmonary nodules ("tuberculomas") indistinguishable from pulmonary neoplasms (78 patients); (b) chronic bronchitis or bronchiectasis with sputum repeatedly positive for MAI or granulomas on biopsy (58 patients, virtually all older white women); (c) cavitary lung disease and scattered pulmonary nodules mimicking M. tuberculosis infection (12 patients); (d) diffuse pulmonary infiltrations in immunocompromised hosts, primarily patients with AIDS (96 patients).
  • (16) Examinations, begun at day 150 of gestation in 33 monkeys and between days 32 and 58 in four other animals, were repeated at intervals of one to seven days.
  • (17) During that time they have repeatedly demonstrated the likely existence of signalling molecules or morphogens that control the pattern of development in the embryo.
  • (18) Male guinea pigs received either a single dose of As2O3 10 mg.kg-1 s.c. or repeated doses of 2.5 mg.kg-1 bis in die (b.i.d.)
  • (19) Plasmids containing the inverted repeat alone bound ER, though less efficiently than did plasmids containing the entire sequence.
  • (20) These studies indicate that at each site of induction during feather morphogenesis, a general pattern is repeated in which an epithelial structure linked by L-CAM is confronted with periodically propagating condensations of cells linked by N-CAM.