What's the difference between involve and require?

Involve


Definition:

  • (v. t.) To roll or fold up; to wind round; to entwine.
  • (v. t.) To envelop completely; to surround; to cover; to hide; to involve in darkness or obscurity.
  • (v. t.) To complicate or make intricate, as in grammatical structure.
  • (v. t.) To connect with something as a natural or logical consequence or effect; to include necessarily; to imply.
  • (v. t.) To take in; to gather in; to mingle confusedly; to blend or merge.
  • (v. t.) To envelop, infold, entangle, or embarrass; as, to involve a person in debt or misery.
  • (v. t.) To engage thoroughly; to occupy, employ, or absorb.
  • (v. t.) To raise to any assigned power; to multiply, as a quantity, into itself a given number of times; as, a quantity involved to the third or fourth power.

Example Sentences:

  • (1) In contrast, DNA polymerase alpha, the enzyme involved in chromosomal DNA replication, was relatively insensitive to CA1.
  • (2) These variants may serve as useful gene markers in alcohol research involving animal model studies with inbred strains in mice.
  • (3) In 49 cases undergoing systemic lymphadenectomy 32 were found to have glandular involvement, of which both aortic and pelvic nodes were positive in 17 cases (53.1%), aortic nodes positive but pelvic negative in six (18.8%), and pelvic nodes positive but aortic negative in nine (28.1%).
  • (4) Cellulase regulation appears to depend upon a complex relationship involving catabolite repression, inhibition, and induction.
  • (5) Clonal abnormalities involving chromosomes 3 and 21 were noted in two patients.
  • (6) Disseminated CMV infection with multiorgan involvement was evident in 7 of 9 at postmortem examination.
  • (7) It is concluded that amlodipine reduces myocardial ischemic injury by mechanism(s) that may involve a reduction in myocardial oxygen demand as well as by positively influencing transmembrane Ca2+ fluxes during ischemia and reperfusion.
  • (8) The rise of malaria despite of control measures involves several factors: the house spraying is no more accepted by a large percentage of house holders and the alternative larviciding has only a limited efficacy; the houses of American Indians have no walls to be sprayed; there is a continuous introduction of parasites by migrants.
  • (9) 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.
  • (10) This diagnosis was obscured by the absence of cutaneous, oropharyngeal, and respiratory involvement.
  • (11) A progressively more precise approach to identifying affected individuals involves measuring body weight and height, then energy intake (or expenditure) and finally the basal metabolic rate (BMR).
  • (12) It would be fascinating to see if greater local government involvement in running the NHS in places such as Manchester leads over the longer term to a noticeable difference in the financial outlook.
  • (13) It involves creativity, understanding of art form and the ability to improvise in the highly complex environment of a care setting.” David Cameron has boosted dementia awareness but more needs to be done Read more She warns: “To effect a cultural change in dementia care requires a change of thinking … this approach is complex and intricate, and can change cultural attitudes by regarding the arts as central to everyday life of the care home.” Another participant, Mary*, a former teacher who had been bedridden for a year, read plays with the reminiscence arts practitioner.
  • (14) The secondary leukemia that occurred in these patients could be distinguished from the secondary leukemia that occurs after treatment with alkylating agents by the following: a shorter latency period; a predominance of monocytic or myelomonocytic features; and frequent cytogenetic abnormalities involving 11q23.
  • (15) In addition to their involvement in thrombosis, activated platelets release growth factors, most notably a platelet-derived growth factor (PDGF) which may be the principal mediator of smooth muscle cell migration from the media into the intima and of smooth muscle cell proliferation in the intima as well as of vasoconstriction.
  • (16) The present study was therefore carried out to specify further which type of adrenoceptor is involved in lithium-induced hyperglycaemia and inhibition of insulin secretion.
  • (17) The stages of mourning involve cognitive learning of the reality of the loss; behaviours associated with mourning, such as searching, embody unlearning by extinction; finally, physiological concomitants of grief may influence unlearning by direct effects on neurotransmitters or neurohormones, such as cortisol, ACTH, or norepinephrine.
  • (18) These results suggest the involvement of SRC in opsin transport.
  • (19) In many cases, physicians seek to protect themselves from involvement with these difficult, highly anxious patients by making a referral to a psychiatrist.
  • (20) Epidemiological studies on low risks involve a number of major methodological difficulties.

Require


Definition:

  • (v. t.) To demand; to insist upon having; to claim as by right and authority; to exact; as, to require the surrender of property.
  • (v. t.) To demand or exact as indispensable; to need.
  • (v. t.) To ask as a favor; to request.

Example Sentences:

  • (1) A 2.5-month-old child with cyanotic heart disease who required long-term PGE1 infusions; developed widespread periosteal reactions during the course of therapy.
  • (2) Patients with normal echocardiogram and ECG on admission do not require intensive care monitoring.
  • (3) More than 2 months after the combined treatment were required for the suppression.
  • (4) It involves creativity, understanding of art form and the ability to improvise in the highly complex environment of a care setting.” David Cameron has boosted dementia awareness but more needs to be done Read more She warns: “To effect a cultural change in dementia care requires a change of thinking … this approach is complex and intricate, and can change cultural attitudes by regarding the arts as central to everyday life of the care home.” Another participant, Mary*, a former teacher who had been bedridden for a year, read plays with the reminiscence arts practitioner.
  • (5) Blatter requires a two-thirds majority of the 209 voters to triumph in the opening round, with a simple majority required if it goes to a second round.
  • (6) In platform shoes to emulate Johnson's height, and with the aid of prosthetic earlobes, Cranston becomes the 36th president: he bullies and cajoles, flatters and snarls and barks, tells dirty jokes or glows with idealism as required, and delivers the famous "Johnson treatment" to everyone from Martin Luther King to the racist Alabama governor George Wallace.
  • (7) Even so, amputation of fifteen extremities and four other major excisions were required in twelve patients.
  • (8) However, its identity requires further characterization.
  • (9) Past imaging techniques shown in the courtroom have made the conventional rules of evidence more difficult because of the different informational content and format required for presentation of these data.
  • (10) Further studies are required to elucidate specific roles of the steroid-induced proteins in the effects of glucocorticoids on HTM and HS cells.
  • (11) As the requirements to store and display these images increase, the following questions become important: (a) What methods can be used to ensure that information given to the physician represents the originally acquired data?
  • (12) Maximal covalent binding of [4,5-14C]ronidazole to DNA also required four-electron reduction, consistent with previous studies of the covalent binding of this agent to immobilized sulfhydryl groups [Kedderis et al.
  • (13) Most patients of the bopindolol-group needed 1 mg once daily as compared to those on the nifedipine who required 20 mg b.i.d.
  • (14) Throughout the period of rehabilitation, the frequent changes of a patient's condition may require a process of ongoing evaluation and appropriate adjustments in the physical therapy program.
  • (15) Breast reconstruction should not be limited to the requiring patients, but should represent, in selected cases with favourable prognosis, an integrative and complementary procedure of the treatment.
  • (16) 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.
  • (17) Many problems at the macroscopic level require clarification of how an animal uses a compartment of suite of muscles and whether morphological differences reflect functional ones.
  • (18) Although the longest period required for resolving weakness was three days, the MRI, the CT and the electroencephalogram revealed no significant abnormality.
  • (19) T cell costimulation by molecules on the antigen presenting cell (APC) is required for optimal T cell proliferation.
  • (20) In contrast, HEL antigen requires metabolically active cells for both of these processes.