What's the difference between express and perform?

Express


Definition:

  • (a.) Exactly representing; exact.
  • (a.) Directly and distinctly stated; declared in terms; not implied or left to inference; made unambiguous by intention and care; clear; not dubious; as, express consent; an express statement.
  • (a.) Intended for a particular purpose; relating to an express; sent on a particular errand; dispatched with special speed; as, an express messenger or train. Also used adverbially.
  • (n.) A clear image or representation; an expression; a plain declaration.
  • (n.) A messenger sent on a special errand; a courier; hence, a regular and fast conveyance; commonly, a company or system for the prompt and safe transportation of merchandise or parcels; also, a railway train for transporting passengers or goods with speed and punctuality.
  • (n.) An express office.
  • (n.) That which is sent by an express messenger or message.
  • (a.) To press or squeeze out; as, to express the juice of grapes, or of apples; hence, to extort; to elicit.
  • (a.) To make or offer a representation of; to show by a copy or likeness; to represent; to resemble.
  • (a.) To give a true impression of; to represent and make known; to manifest plainly; to show in general; to exhibit, as an opinion or feeling, by a look, gesture, and esp. by language; to declare; to utter; to tell.
  • (a.) To make known the opinions or feelings of; to declare what is in the mind of; to show (one's self); to cause to appear; -- used reflexively.
  • (a.) To denote; to designate.
  • (a.) To send by express messenger; to forward by special opportunity, or through the medium of an express; as, to express a package.

Example Sentences:

  • (1) Here we have asked whether protection from blood-borne antigens afforded by the blood-brain barrier is related to the lack of MHC expression.
  • (2) Similar experimental manipulation has yielded in vitro lines established from avian B-cell lymphomas expressing elevated levels of c-myc or v-rel.
  • (3) 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.
  • (4) We also show that proliferation of primary amnion cells is not dependent on a high c-fos expression, suggesting that the function of c-fos is more likely to be associated with other cellular functions in the differentiated amnion cell.
  • (5) Injection of resistant mice with Salmonella typhimurium did not result in the induction of a population of macrophages that expressed I-A continuously.
  • (6) Stimulation is also observed with mixtures of APC expressing DPw3 and APC expressing A1, and likewise, DPw3+ APC become stimulatory when preincubated with supernatants from A1-positive cells.
  • (7) BL6 mouse melanoma cells lack detectable H-2Kb and had low levels of expression of H-2Db Ag.
  • (8) These studies show that metabolic activation is necessary for the expression of the mutagenic activity of aflatoxins B1 and G1 in N. crassa.
  • (9) We also show that the gene of the main capsid protein is expressed from its own promoter in an Escherichia coli strain.
  • (10) Using the oocyte system to express size-fractionated mRNA, we have also determined that the mRNA coding for this protein is between 1.9-2.4 kilobases in length.
  • (11) Because many wnt genes are also expressed in the lung, we have examined whether the wnt family member wnt-2 (irp) plays a role in lung development.
  • (12) A beta-adrenergic receptor cDNA cloned into a eukaryotic expression vector reliably induces high levels of beta-adrenergic receptor expression in 2-12% of COS cell colonies transfected with this plasmid after experimental conditions are optimized.
  • (13) Four other independent LCMV-GP2(275-289) specific H-2Db-restricted CTL clones also expressed V alpha 4 and V beta 10 gene elements.
  • (14) Maximal yields of lipid and aflatoxin were obtained with 30% glucose, whereas mold growth, expressed as dry weight, was maximal when the medium contained 10% glucose.
  • (15) Recent studies have shown that an aberration in platelet-derived growth factor gene expression is unlikely to be a factor in proliferation of smooth-muscle cells.
  • (16) Thus, human bronchial epithelial cells can express the IL-8 gene, with expression in response to the inflammatory mediator TNF regulated mainly at the transcriptional level, and with elements within the 5'-flanking region of the gene that are directly or indirectly modulated by the TNF signal.
  • (17) In concert with TF expressed by monocytes and macrophages this endothelial cell procoagulant activity may play a role in the pathogenesis of thrombotic disease.
  • (18) The possibility that both IL 2 production and IL 2R expression are autonomously activated early in T cell development, before acquisition of the CD3-TcR complex, led us to study the implication of alternative pathways of activation at this ontogenic stage.
  • (19) 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.
  • (20) This study examines the role of sex hormones in modulating the expression of autoimmunity in NZB x NZW F1 mice.

Perform


Definition:

  • (v. t.) To carry through; to bring to completion; to achieve; to accomplish; to execute; to do.
  • (v. t.) To discharge; to fulfill; to act up to; as, to perform a duty; to perform a promise or a vow.
  • (v. t.) To represent; to act; to play; as in drama.
  • (v. i.) To do, execute, or accomplish something; to acquit one's self in any business; esp., to represent sometimes by action; to act a part; to play on a musical instrument; as, the players perform poorly; the musician performs on the organ.

Example Sentences:

  • (1) From 1982 to 1989, bronchoplasty or segmental bronchoplasty and pulmonary arterioplasty in combination with lobectomy and segmentectomy were performed for 9 patients with central type lung carcinoma.
  • (2) All transplants were performed using standard techniques, the operation for the two groups differing only as described above.
  • (3) These data indicate a steady improvement in laboratory performance over the last 10 years.
  • (4) In conclusion, the efficacy of free tissue transfer in the treatment of osteomyelitis is geared mainly at enabling the surgeon to perform a wide radical debridement of infected and nonviable soft tissue and bone.
  • (5) This paper discusses the typical echocardiographic patterns of a variety of important conditions concerning the mitral valve, the left ventricle, the interatrial and interventricular septum as well as the influence of respiration on the performance of echocardiograms.
  • (6) After two weeks all animals were killed and autopsies of the animals were performed.
  • (7) The 1989 results were compared with those of a similar survey performed in 1986.
  • (8) During the performance of propulsive waves of the oesophagus the implanted vagus nerve caused clonic to tetanic contractions of the sternohyoid muscle, thus proving the oesophagomotor genesis of the reinnervating nerve fibres.
  • (9) Theoretical computations are performed of the intercalative binding of the neocarzinostatin chromophore (NCS) with the double-stranded oligonucleotides d(CGCG)2, d(GCGC)2, d(TATA)2 and d(ATAT)2.
  • (10) In addition autoradiography was performed to localize labelled cells in the inner ear.
  • (11) Surgical repair of the rheumatologic should however, is performed rarely, and should be reserved for the infrequent cases that do not respond to medical therapy.
  • (12) Six hours later, bronchoalveolar lavage was performed.
  • (13) Basing the prediction of student performance in medical school on intellective-cognitive abilities alone has proved to be more pertinent to academic achievement than to clinical practice.
  • (14) It has also been used to measure the amount of excision repair performed by non-replicating cells damaged by carcinogens.
  • (15) The performance characteristics of the CCD are well documented and understood, having been quantified by many experimenters, especially in the physical sciences.
  • (16) 2.35pm: West Ham co-owner David Sullivan has admitted that a deal to land Miroslav Klose is unlikely to go through following the striker's star performances in South Africa.
  • (17) Just after blood sampling, FEV1 measurements were performed.
  • (18) Effects of habitual variations in napping on psychomotor performance, short-term memory and subjective states were investigated.
  • (19) The study examined the sustained effects of methylphenidate on reading performance in a sample of 42 boys, aged 8 to 11, with attention deficit-hyperactivity disorder (ADHD).
  • (20) In addition, control experiments with naloxone, ethanol, or cigarette smoking alone were performed.