(n.) The quality possessed by many crystallized substances of splitting readily in one or more definite directions, in which the cohesive attraction is a minimum, affording more or less smooth surfaces; the direction of the dividing plane; a fragment obtained by cleaving, as of a diamond. See Parting.
(n.) Division into laminae, like slate, with the lamination not necessarily parallel to the plane of deposition; -- usually produced by pressure.
Example Sentences:
(1) It is possible that the high level of radiolabeled phospholipid found in the plasma membrane arose via the de novo pathway following the cleavage of an acyl group as we have found cytidine diphosphocholine phosphotransferase in the plasma membrane fraction (Wang, P., DeChatelet, L.R., and Waite, M. (1977) Biochim.
(2) Release of nsP4 from P1234 appears to be independent of the other cleavages and occurs primarily immediately after translation.
(3) A broad specificity of LipDH was observed for the glycine cleavage system.
(4) It is the action of this protease that releases the enzyme from the membrane, as shown by the observations that protease inhibitors decreased the amount of solubilization of the enzyme, and the enzyme remaining in the membrane after heating showed much less proteolytic cleavage than that which was released.
(5) One of the proteases obtained was found to catalyse cleavage on the COOH-side of peptide sequences containing consecutive hydrophobic and basic residues.
(6) The results show that in both viral DNAs cleavage occurs at the origin and at one additional site which shows striking sequence homology with the origin region.
(7) These results would suggest that N-terminal acetylation and C-terminal proteolytic cleavage are important post-translational modifications of the forms of Amia beta-endorphin.
(8) We speculate that this cleavage event is catalyzed by either a cryptic potyviral proteinase that requires a host factor or subcellular environment for activation, or possibly a host proteinase.
(9) The relative cleavage frequency at the first glycosidic bond counting from the nonreducing end of the substrate increases with increasing substrate concentration.
(10) An analysis of the triple helical stabilities of these cleavage site regions as reflected by their imino acid contents fails to yield a correlation between reactivity and triple helical stability.
(11) We found that the closer location of Mg2+ to the beta-phosphoryl group than to the alpha- or gamma-phosphoryl group was effective in weakening the P-O bond at which the cleavage of ATP catalyzed by most enzymes takes place.
(12) Subsequently, due to the rotation of the original polar axis in one hemisphere, the third cleavage plane through one half of the egg is transverse to the third cleavage plane through the other half.
(13) It is concluded that in this cell type (i) somatostatin-14 is exclusively generated by dibasic cleavage at the Arg-2-Lys-1 site of the intact precursor with concomitant production of prosomatostatin[1-76], and (ii) no direct interactions between the monobasic and dibasic processing domains occur.
(14) The amount of cleavage products depends on the excess of H2O2 used.
(15) To determine which enzymes are responsible for the processing cleavages of ribosomal RNA transcripts in Escherichia coli, we constructed a mutant strain lacking RNAase III and containing a thermolabile RNAase P. At the nonpermissive temperature, this strain accumulates a novel "19S" RNA species which contains 17S precursor rRNA sequences covalently linked to tRNA sequences transcribed from the ribosomal RNA spacer region between the 16S and the 23S rRNA cistrons.
(16) The cleavage of beta-cyclodextrine by sodium periodate at the seven 2-3 diols of the glucose unit gives rise to the polyaldehyde 1, used to modify alpha-amylase.
(17) The possibility that mammalian DNA topoisomerase II is an intracellular target which mediates drug-induced DNA breaks is supported by the following studies using 4'-(9-acridinylamino)methane-sulfon-m-anisidide (m-AMSA): (a) a single m-AMSA-dependent DNA cleavage activity copurified with calf thymus DNA topoisomerase II activity at all chromatographic steps of the enzyme purification; (b) m-AMSA-induced DNA cleavage by this purified activity resulted in the covalent attachment of protein to the 5'-ends of the DNA via a tyrosyl phosphate bond.
(18) This single substitution was sufficient to abolish all detectable cleavage of the gp160 envelope precursor polypeptide as well as virus infectivity.
(19) Certain RNA molecules can mediate their own cleavage or splicing or act as enzymes to promote reactions on substrate RNA molecules.
(20) The envelope glycoprotein of human immunodeficiency virus consists of two subunits, designated gp120 and gp41, derived from the cleavage of a precursor polypeptide gp160.
Crack
Definition:
(v. t.) To break or burst, with or without entire separation of the parts; as, to crack glass; to crack nuts.
(v. t.) To rend with grief or pain; to affect deeply with sorrow; hence, to disorder; to distract; to craze.
(v. t.) To cause to sound suddenly and sharply; to snap; as, to crack a whip.
(v. t.) To utter smartly and sententiously; as, to crack a joke.
(v. t.) To cry up; to extol; -- followed by up.
(v. i.) To burst or open in chinks; to break, with or without quite separating into parts.
(v. i.) To be ruined or impaired; to fail.
(v. i.) To utter a loud or sharp, sudden sound.
(v. i.) To utter vain, pompous words; to brag; to boast; -- with of.
(n.) A partial separation of parts, with or without a perceptible opening; a chink or fissure; a narrow breach; a crevice; as, a crack in timber, or in a wall, or in glass.
(n.) Rupture; flaw; breach, in a moral sense.
(n.) A sharp, sudden sound or report; the sound of anything suddenly burst or broken; as, the crack of a falling house; the crack of thunder; the crack of a whip.
(n.) The tone of voice when changed at puberty.
(n.) Mental flaw; a touch of craziness; partial insanity; as, he has a crack.
(n.) A crazy or crack-brained person.
(n.) A boast; boasting.
(n.) Breach of chastity.
(n.) A boy, generally a pert, lively boy.
(n.) A brief time; an instant; as, to be with one in a crack.
(n.) Free conversation; friendly chat.
(a.) Of superior excellence; having qualities to be boasted of.
Example Sentences:
(1) They’re no crack force either; many are rather portly!
(2) While superheroes like “superman” (21st in SplashData’s 2014 rankings) and “batman” (24th) may be popular choices for passwords, the results if they are cracked could be anything other than super – and users will only have themselves to blame.
(3) However, we have observed cracks on the Dacron fibers, fiber fracture, fiber protrusion, and poor attachment to the diaphragm, which can cause potentially disastrous complications.
(4) But instead, he is going to crack under public anger over the huge amounts senior bankers have been paying themselves.
(5) It is found that, in contrast to most metallic materials yet in keeping with many ceramics, there are no distinct fracture morphologies in pyro-carbons which are characteristic of a specific mode of loading; fracture surfaces appear to be identical for both catastrophic and subcritical crack growth under either sustained or cyclic loading.
(6) Iowa senator Chuck Grassley, the Republican who chairs the Senate judiciary committee, introduced legislation on Tuesday that would crack down on jurisdictions that provide safe harbor for undocumented migrants by withholding some federal funding for state and local entities if they decline to cooperate with the government on the holding or transferring of undocumented migrants with criminal records.
(7) In a single letter in February 2005, Charles urged a badger cull to prevent the spread of bovine tuberculosis – damning opponents to the cull as “intellectually dishonest”; lobbied for his preferred person to be appointed to crack down on the mistreatment of farmers by supermarkets; proposed his own aide to brief Downing Street on the design of new hospitals; and urged Blair to tackle an EU directive limiting the use of herbal alternative medicines in the UK.
(8) On second impacts, the GSI rose considerably because the shell and liner of the DH-151 cracked and the suspension of the "141" stretched during the first blow.
(9) 9.18pm: The Ohio Democrat Dennis Kucinich has a crack, and he's taking no prisoners: "We've heard Mr Toyoda say that Toyota grew to fast.
(10) Here come the Dodgers for another crack at it in the second.
(11) That led to the second breakthrough, as the once formidable laws of omerta - silence punishable by death - cracked.
(12) The passengers were then flown to an Australian icebreaker, the Aurora Australis, which had cracked through ice floes and was now sailing towards Australia's Casey research base.
(13) SEM of the resulting surface showed rounded fragments of enamel rods, enamel melting, cracks, and smooth-edged voids.
(14) According to the NYPD commissioner, Bill Bratton, whose voice almost cracked with emotion as he addressed the media on Saturday evening , the “digital warning poster” featuring a picture of Brinsley and his whereabouts arrived at the data centre at 2.47pm.
(15) As subcritical crack velocities under cyclic loading were found to be many orders of magnitude faster than those measured under equivalent monotonic loads and to occur at typically 45% lower stress-intensity levels, cyclic fatigue in pyrolytic carbon-coated graphite is reasoned to be a vital consideration in the design and life-prediction procedures of prosthetic devices manufactured from this material.
(16) It is hence impossible to wiretap, intercept or crack the information transmitted through it,” Xinhua reported after Tuesday’s launch.
(17) He just never dreamed it would be life without parole.” Obama reduces sentences of 46 inmates convicted of nonviolent drug crimes Read more As his sister put it, Bennett “got caught up” in a five-man drug ring run by an old friend, John Hansley, to pay for his addiction to crack.
(18) Spencer has now heard that Andy, who got the boat remember, has been cracking on to Louise, even though Jamie warned him it would be like jumping into a polar bear's nest.
(19) "I urge both the monks and the lay Tibetans of the area not to do anything that might be used as a pretext by the local authorities to massively crack down on them.
(20) Of 26 patients treated to date, 16 have been crack cocaine users.