What's the difference between authenticate and back?

Authenticate


Definition:

  • (v. t.) To render authentic; to give authority to, by the proof, attestation, or formalities required by law, or sufficient to entitle to credit.
  • (v. t.) To prove authentic; to determine as real and true; as, to authenticate a portrait.

Example Sentences:

  • (1) Moreover in MIT-1, the size of the novel polypeptide was not that predicted of the precursor (44.9 kDa) but was about 39 kDa, the same size as the authentic GS gamma polypeptide in CYT-4.
  • (2) In the absence of an authentic target for the MASH proteins, we examined their DNA binding and transcriptional regulatory activity by using a binding site (the E box) from the muscle creatine kinase (MCK) gene, a target of MyoD.
  • (3) Except in the case of the phenolic metabolite, structures were confirmed by direct comparison of electron impact mass spectra and chromatographic behaviour with those of authentic samples.
  • (4) These latter cardiovascular changes imply that the endotracheal pressure variations are the reflection of authentic inspiratory movements under the influence of the central nervous system.
  • (5) Several in vitro transcripts both larger and smaller than the authentic transcript were seen; presumably, these transcripts result from adventitious promoterlike elements in adjacent chlamydial DNA and may be responsible for the expression of the gene in E. coli.
  • (6) The amidolytic activity of [R275G]t-PA was comparable to that of authentic one-chain t-PA, and so was the activity of [R275L,K277L]t-PA, in which additional substitution of lysine residue 277 was carried out.
  • (7) 15, 961-969] prompted an investigation to confirm its authenticity.
  • (8) The authentic dolichyl phosphates (Dol-7-P, Dol-9-P, and Dol-11-P) were assayed relative to the natural dolichyl phosphate mixture from pig liver as acceptors for transglycosylation from nucleoside diphosphate sugars (glucose, mannose) by standardized membrane vesicle preparations from plants (Volvox) and animals (liver).
  • (9) The polypeptide encoded by the cDNA was synthesized by in vitro transcription and translation and identified by its comigration with authentic plakoglobin in two-dimensional gel electrophoresis.
  • (10) An authentic poly(ADP-ribose), with a mean chain length of approximately 30 ADP-ribose units, produced significant inhibition of the neutral protease isolated from macrophage chromatin.
  • (11) Fructose 2-phosphorothioate 6-phosphate was 10-100-fold less potent than authentic fructose 2,6-bisphosphate in stimulating 6-phosphofructo-1-kinase and pyrophosphate:fructose 6-phosphate phosphotransferase, but about 10 times more potent in inhibiting fructose 1,6-bisphosphatase.
  • (12) The separated cholesterol oxides were identified by comparing with authentic standards.
  • (13) Radioimmunoassays carried out on acidic extracts of the same organs confirm the molecular results and lead us to conclude to the presence of substances strongly related to MK in the ovotestis as well as in the circumoesophageal ganglia (COG), and to ascertain that the MK-positive tentacular collar cells do not contain authentic MK.
  • (14) In return, the government would finger freelance or rival operators so that the authorities could give the impression of an authentic enforcement operation.
  • (15) Comparison of elution patterns of authentic cholesterol and cholesteryl esters revealed that a mu Bondasphere reverse-phase C8 (300-A) column was more suitable than a corresponding reverse-phase C4 or C18 column in terms of rapidity and sensitivity.
  • (16) This polypeptide reacted specifically with rabbit antisera made against synthetic peptides corresponding to exposed regions of authentic p14 as predicted from the S1 cDNA sequence.
  • (17) An aesthetic of authenticity guides his approach to movie-making.
  • (18) But if there's a piece you particularly enjoyed, or found interesting or useful, please add a comment below or tweet us: @GdnSocialCare At the start of the year, the BBC screened fly-on-the-wall documentary series Protecting Our Children , an authentic portrayal of the difficult decisions and situations social workers face every day.
  • (19) I don’t think this ghostwritten book undermines her authenticity elsewhere.
  • (20) It is concluded that authentic hCG does occur in human seminal plasma, but only in about a third of samples.

Back


Definition:

  • (n.) A large shallow vat; a cistern, tub, or trough, used by brewers, distillers, dyers, picklers, gluemakers, and others, for mixing or cooling wort, holding water, hot glue, etc.
  • (n.) A ferryboat. See Bac, 1.
  • (n.) In human beings, the hinder part of the body, extending from the neck to the end of the spine; in other animals, that part of the body which corresponds most nearly to such part of a human being; as, the back of a horse, fish, or lobster.
  • (n.) An extended upper part, as of a mountain or ridge.
  • (n.) The outward or upper part of a thing, as opposed to the inner or lower part; as, the back of the hand, the back of the foot, the back of a hand rail.
  • (n.) The part opposed to the front; the hinder or rear part of a thing; as, the back of a book; the back of an army; the back of a chimney.
  • (n.) The part opposite to, or most remote from, that which fronts the speaker or actor; or the part out of sight, or not generally seen; as, the back of an island, of a hill, or of a village.
  • (n.) The part of a cutting tool on the opposite side from its edge; as, the back of a knife, or of a saw.
  • (n.) A support or resource in reserve.
  • (n.) The keel and keelson of a ship.
  • (n.) The upper part of a lode, or the roof of a horizontal underground passage.
  • (n.) A garment for the back; hence, clothing.
  • (a.) Being at the back or in the rear; distant; remote; as, the back door; back settlements.
  • (a.) Being in arrear; overdue; as, back rent.
  • (a.) Moving or operating backward; as, back action.
  • (v. i.) To get upon the back of; to mount.
  • (v. i.) To place or seat upon the back.
  • (v. i.) To drive or force backward; to cause to retreat or recede; as, to back oxen.
  • (v. i.) To make a back for; to furnish with a back; as, to back books.
  • (v. i.) To adjoin behind; to be at the back of.
  • (v. i.) To write upon the back of; as, to back a letter; to indorse; as, to back a note or legal document.
  • (v. i.) To support; to maintain; to second or strengthen by aid or influence; as, to back a friend.
  • (v. i.) To bet on the success of; -- as, to back a race horse.
  • (v. i.) To move or go backward; as, the horse refuses to back.
  • (v. i.) To change from one quarter to another by a course opposite to that of the sun; -- used of the wind.
  • (v. i.) To stand still behind another dog which has pointed; -- said of a dog.
  • (adv.) In, to, or toward, the rear; as, to stand back; to step back.
  • (adv.) To the place from which one came; to the place or person from which something is taken or derived; as, to go back for something left behind; to go back to one's native place; to put a book back after reading it.
  • (adv.) To a former state, condition, or station; as, to go back to private life; to go back to barbarism.
  • (adv.) (Of time) In times past; ago.
  • (adv.) Away from contact; by reverse movement.
  • (adv.) In concealment or reserve; in one's own possession; as, to keep back the truth; to keep back part of the money due to another.
  • (adv.) In a state of restraint or hindrance.
  • (adv.) In return, repayment, or requital.
  • (adv.) In withdrawal from a statement, promise, or undertaking; as, he took back0 the offensive words.
  • (adv.) In arrear; as, to be back in one's rent.

Example Sentences:

  • (1) Arda Turan's deflected long-range strike puts Atlético back in control.
  • (2) In a debate in the House of Commons, I will ask Britain, the US and other allies to convert generalised offers of help into more practical support with greater air cover, military surveillance and helicopter back-up, to hunt down the terrorists who abducted the girls.
  • (3) Recent data collected by the Games Outcomes Project and shared on the website Gamasutra backs up the view that crunch compounds these problems rather than solving them.
  • (4) Northern Ireland will not be dragged back by terrorists who have nothing but misery to offer."
  • (5) Patrice Evra Evra Handed a five-match international ban for his part in the France squad’s mutiny against Raymond Domenech at the 2010 World Cup, it took Evra almost a year to force his way back in.
  • (6) On the way back to Pristina later, the lawyer told me everything was fine.
  • (7) Names, and the absence of them, could be important Facebook Twitter Pinterest Don’t look back … Daisy Ridley’s Rey and John Boyega’s stormtrooper Finn.
  • (8) David Cameron has insisted that membership of the European Union is in Britain's national interest and vital for "millions of jobs and millions of families", as he urged his own backbenchers not to back calls for a referendum on the UK's relationship with Brussels.
  • (9) Critics say he is unelectable as prime minister and will never be able to implement his plans, but he has nonetheless pulled attention back to an issue that many thought had gone away for good.
  • (10) The water is embossed with small waves and it has a chill glassiness which throws light back up at the sky.
  • (11) Now, as the Senate takes up a weakened House bill along with the House's strengthened backdoor-proof amendment, it's time to put focus back on sweeping reform.
  • (12) Anxious mood and other symptoms of anxiety were commonly seen in patients with chronic low back pain.
  • (13) When you have been out for a month you need to prepare properly before you come back.” Pellegrini will make his own assessment of Kompany’s fitness before deciding whether to play him in the Bournemouth game, which he is careful to stress may not be the foregone conclusion the league table might suggest.
  • (14) Sterile, pruritic papules and papulopustules that formed annular rings developed on the back of a 58-year-old woman.
  • (15) A recent visit by a member of Iraq's government from Baghdad to Basra and back cost about $12,000 (£7,800), the cable claimed.
  • (16) Univariate and multivariate analyses indicated previous LBP or back pain in another location of the spine were strongly associated with LBP during the study year.
  • (17) Former lawmaker and historian Faraj Najm said the ruling resets Libya “back to square one” and that the choice now faced by the Tobruk-based parliament is “between bad and worse”.
  • (18) He’s been so consistent this season.” Barkley took the two late penalties because the regular taker, Romelu Lukaku, had been withdrawn at half-time with a back injury that is likely to keep the striker out of Saturday’s trip to Stoke City.
  • (19) Environment groups Environment groups that have strongly backed low-carbon power have barely wavered in their opposition to nuclear in the last decade, although their arguments now are now much about the cost than the danger it might pose.
  • (20) United believe it is more likely the right-back can be bought in the summer but are exploring what would represent the considerable coup of acquiring the 26-year-old immediately.