What's the difference between invoke and perform?

Invoke


Definition:

  • (v. t.) To call on for aid or protection; to invite earnestly or solemnly; to summon; to address in prayer; to solicit or demand by invocation; to implore; as, to invoke the Supreme Being, or to invoke His and blessing.

Example Sentences:

  • (1) Proceeding from the observation that organic anions bound to albumin have hepatic extraction fractions that are unexpectedly high, we have studied a distributed model that accounts for this phenomenon by invoking sites on the cell surface that catalyze the dissociation of albumin-anion complexes.
  • (2) Sheep erythrocytes ingested by guinea pig peritoneal macrophages in vitro, and permitted to undergo digestion for various periods, were found after some hours to lose the capacity to induce antibodies while gaining the ability to invoke delayed hypersensitivity.
  • (3) Questions are raised about the recent tendency in psychoanalytic theory to develop or invoke different theories of defense to explain a broad range of clinical phenomena.
  • (4) The chondrocytes mature and hypertrophy in the orthotopic site without invoking an immune response.
  • (5) The main metabolite of spin-labeled thio-TEPA is spin-labeled TEPA, where oxidative desulfurization is invoked as the main metabolic mechanism.
  • (6) In Baghdad, no other name invokes the same sort of reaction among the nation's power base – discomfort, uncertainty and fear.
  • (7) Thus one of the other mechanisms proposed must be invoked to explain the pathogenesis of the PIVH: rupture of a perforating artery or of a microaneurysm located in the subependimary periventricular region.
  • (8) The homology thus revealed not only lends strong support to mechanisms of autoimmunity that invoke the theory of molecular mimicry of viral proteins, but also suggests a rationale for the skeletal muscle target of polymyositis.
  • (9) Although China has so far refused to enable dialogue between our leaders, I sincerely hope that it will come forward, rather than keep invoking the ghost of militarism of seven decades ago, which no longer exists."
  • (10) We have estimated the interaction energy between two charged residues, Asp-12 and Arg-16, in an alpha-helix on the surface of a barnase mutant by invoking a double-mutant cycle involving wild-type enzyme (Asp-12, Thr-16), the single mutants Thr----Arg-16 and Asp----Ala-12, and the double mutant Asp----Ala-12, Thr----Arg-16.
  • (11) Labour respects the result of the referendum and the will of the British people and will not frustrate the process for invoking article 50,” said Jeremy Corbyn in a statement that swiftly closed off any meaningful likelihood of enough MPs opposing the government’s imminent Brexit bill.
  • (12) And one assumes the entire European Union financial establishment would invoke its own visions of Irish ruination if necessary.
  • (13) The Nehru-Gandhi dynasty which controls the Congress party is, of course, the most resolute of all modern Indian fiefdoms; so it's ironic that Rahul should be invoking the "young voter" at a time when young people are fed up of corruption but might also be fed up of inherited power, one of the major facilitators of sleaze.
  • (14) He has, however, refused to testify, invoking his right to remain silent, while his lawyer has insisted his client is “insane” and therefore unfit for trial.
  • (15) Its annual conferences were a mishmash of Highlands conservative women in tartan skirts, angry socialists from the central belt and, unique to the party, an embarrassing array of men in kilts armed with broadswords and invoking the ghosts of William Wallace and Robert the Bruce.
  • (16) I have been noticing, with sadness, that politicians do not even bother invoking the American Dream anymore.
  • (17) Therefore, the reduction in mitochondrial oxygen consumption observed following transthoracic shocks in vivo may invoke other mechanisms (eg, intracellular calcium influx, high circulating noradrenaline, or free radical formation in the intact heart).
  • (18) When thrombin inhibition by AT III in the presence of heparin was studied, both high-Mr rec-TM and rabbit TM again invoked a similar reduction of inactivation rates, whereas in the absence of exogenous heparin, both high-Mr forms accelerated thrombin inhibition by AT III.
  • (19) If I invoked the Insurrection Act against her wishes, the world would see a male Republican president usurping the authority of a female Democratic governor by declaring an insurrection in a largely African American city.
  • (20) Previously proposed mechanisms for Down syndrome (trisomy 21) have generally invoked a progressive increase in meiotic nondisjunction to explain maternal-age dependence, but models of this sort have failed to predict the observed patterns of marker segregation.

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.