(n.) The low murmuring sound made by a cat; pur. See Pur.
Example Sentences:
(1) Expression of glyA, encoding serine hydroxymethyltransferase activity, was elevated in a purR mutant compared with a wild-type strain.
(2) A bulldozer on rail wheels purrs up on the other line and begins pawing at the stones.
(3) At the place where adorable meets obnoxious and the purr becomes a shriek, Leslie Mann is waiting to unload a howitzer of funny in your face.
(4) Nitrogen control was found to be mediated by the glnLG gene products, and purine repression required a functional purR gene product.
(5) Though I could have sworn that you did actually purr,” Dave recalled.
(6) AMP but not GMP is needed for binding, and purR mutants are deficient in the binding substance.
(7) The PurR protein bound specifically to a DNA fragment carrying the glyA control region, as determined by gel retardation.
(8) Cross pathway regulation of pyrC by PurR may provide one mechanism to coordinate synthesis of purine and pyrimidine nucleotides.
(9) "Oh, the lords absolutely love Justin," purrs one senior peer.
(10) Both operator constitutive and repressor type (purR) mutations have been identified.
(11) The purR product functions in the common control of several genetically distinct enzymes that participate before the formation of IMP.
(12) The regulation of the guanine operon is regulated by some other mechanism independent of purR.
(13) A highly conserved sequence in the promoter regions of these two genes is similar to the pur operator, which is the binding site for the purine repressor (PurR).
(14) Gene purB is regulated threefold by the purine pool and purR.
(15) The purEK operon is regulated by the purR gene product, and a purR regulatory-protein-binding site related to the sequences found in other pur loci was identified in the purEK operon control region.
(16) In the film, there is a killingly funny vignette in which Joshua McGuire’s Ruskin, who cannot pronounce his Rs, purrs with self-satisfaction at his own ideas – the critic who got the cream.
(17) Analysis of a purR-lacZ transcriptional fusion indicated that purR expression is autoregulated.
(18) Mutations that changed the binding sequence toward the consensus sequence had no significant effect on either PurR binding or purine-mediated repression.
(19) Site-directed mutagenesis was used to change the PurR binding site in the control region of a glyA-lac gene fusion.
(20) Two independent purR mutations were isolated which abolished repression of purF and purF-lacZ.
Whir
Definition:
(v. i.) To whirl round, or revolve, with a whizzing noise; to fly or more quickly with a buzzing or whizzing sound; to whiz.
(v. t.) To hurry a long with a whizzing sound.
(n.) A buzzing or whizzing sound produced by rapid or whirling motion; as, the whir of a partridge; the whir of a spinning wheel.
Example Sentences:
(1) Here's a picture of Mike Ashley's whirly-bird instead.
(2) In a whir of lycra and straining calf muscles, the sleek, bent bodies flashed past, urged on by the crowds.
(3) At night, if you are quiet, you can hear them whirring from the Hills Hoist.
(4) We strolled across springy heather and moss as wet as a sponge, and a strange cackling call of “go-back, go-back” rose on the wind: small coveys of red grouse whirred away from us.
(5) I’m sure the person had a valid reason but it should be clear that the Ka’bah should not suddenly be surrounding by whirring Segways.” A hoverboard is a levitating board that was popularised by Marty McFly in the Back to the Future films.
(6) I see this as the most damaging event for our brand in the company’s 140-year history,” Tanaka said after making a ritual deep bow of contrition while cameras whirred and flashed.
(7) Perhaps, rather than the mystique, it’s the sense of knowledge that keeps them hanging on – that perpetual feeling of opening the city up like a pocket watch and seeing its cogs and springs all whirring away inside.
(8) This happened on Monday when X-Files star Gillian Anderson retweeted a poster made by a fan, imagining her as the new 007 : the actor photoshopped in front of that big iconic whirly gun barrel and the official logo pasted at the bottom.
(9) ‘owl-light’ (Lancashire) fizmer the whispering sound of wind in reeds or grass (Fenland) grimlins the night hours around midsummer when dusk blends into dawn (Orkney) The word-hoard: Robert Macfarlane on rewilding our language of landscape Read more gruffy ground the surface landscape left behind by lead-mining (Somerset) grumma a mirage caused by mist or haze (Shetland) hob-gob a dangerously choppy sea (Suffolk) muxy of land; sticky, miry, muddy (Exmoor) outshifts the fringes and boundaries of a town (Cambridgeshire) roarie-bummlers fast-moving storm clouds (Scots) snow-bones long thin patches of snow still lying after a thaw, often in dips or stream-cuts (Yorkshire) turn-whol a deep and seething pool where two quick streams meet (Cumbria) zwer the whirring sound made by a covey of partridge taking flight (Exmoor)
(10) The two other videos uploaded to the account are titled “natural hallucinogen 2x (faster and better trip)” and “natural hallucinogen slow motion (stronger and longer trip),” and depict whirring graphics.
(11) But these exchanges are not places either: they are server farms, air-conditioned warehouses filled with rack-mounted computers, complete with blinking lights and whirring discs.
(12) For the most part the only sound we hear is the whirring of our wheels and birdsong.
(13) That craft whirred into view at 9.50am – cutting it fine for a 10 o'clock meeting, but you know what?
(14) "These guys have to be super-smart and super-dedicated," says one manager against the blinking lights and whirring fans.
(15) While assembling Room 237, the director found himself watching The Shining again and again, his brain whirring, his senses in uproar.
(16) He cut up a 10-volume illustrated Larousse encyclopaedia he'd bought in Bath, apparently using 32 pairs of scissors, and his collage technique helps depict such Thomas phrases as "slow clocks" (cue for several whirring time-pieces) or "the boys are dreaming wicked" (two pin-ups and touches of a Wild West rodeo).
(17) But the questions raised by the women's movements whirred around her mind.
(18) But against the odds, the cassette has whirred into fabulous life again, and on 7 September, an international event will celebrate its resurgence.
(19) He may succeed in crippling al-Qaida and preventing some attacks today, but it is now harder than ever to believe that a young child in Pakistan hearing the whirring noises of drones above them will look up and see Obama's America as "the relentless opponent of terror and tyranny, and the light of hope to the world" .
(20) The wingless whirly-bird which brought Danny Graham and his agent to Sunderland is unable to take off because of windy weather conditions.