(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.
Yowl
Definition:
(v. i.) To utter a loud, long, and mournful cry, as a dog; to howl; to yell.
(n.) A loud, protracted, and mournful cry, as that of a dog; a howl.
Example Sentences:
(1) He was the frontman, but she swiftly became the band's most celebrated member, exuding a nonchalant, cigarette-smoking cool onstage, her calm, measured voice the perfect foil to Francis's yowling and screaming: in the 2006 Pixies documentary, loudquietloud , Deal is pursued by her own coterie of fans, who hyperventilate when they meet her and hold up signs during gigs proclaiming her to be God.
(2) Repeating the old line about the crisis starting in the US mortgage market gets another yowl of contempt.
(3) A small group of worshippers sat under an ancient bodhi tree, their chanting mingling with the yowl of peacocks and the swish of a brush sweeping leaves from the sandy ground.
(4) Whatever Trump appeared to promise, and whatever he may yowl into Twitter’s great maw, he doesn’t appear to have anyone around him who is able to translate his instincts into something that may one day resemble a legislative program.
(5) Every yelp and yowl shows a 50p rise in top tax hits the right spot.
(6) We tiptoed around, spoke in hushed tones and jumped on the cats every time they yowled.