(a.) Capable or admitting of being put back into a place.
(a.) Admitting of having its place supplied by a like thing or an equivalent; as, the lost book is replaceable.
(a.) Capable of being replaced (by), or of being exchanged (for); as, the hydrogen of acids is replaceable by metals or by basic radicals.
Example Sentences:
(1) Thyroid replacement led to resolution of both apnea and depression.
(2) This may be due to efficient replacement of Leu by Phe at CUC (and, probably, CUU) codons throughout the genome.
(3) The previous year, he claimed £1,415 for two new sofas, made two separate claims of £230 and £108 for new bed linen, charged £86 for a new kettle and kitchen utensils and made two separate claims, of £65 and £186, for replacement glasses and crockery.
(4) We recently demonstrated that functional change in SSI was possible simply by replacing the amino acid residue at the reactive P1 site (methionine 73) of SSI.
(5) Analogues of [Orn6]-SP6-11 have been synthesized in which the Met11 residue is replaced by glutamate gamma-alkylesters.
(6) In fact, the addition of conditioned medium obtained by 48 hr preincubation of isolated monocytes with 10% PF-382 supernatant (M-CM2) or the concomitant addition of supernatant from PF-382 cells (PF-382-CM) and from unstimulated monocytes (M-CM1) are capable of fully replacing the presence of monocytes in the BFU-E assay.
(7) Major plasma metabolites of quazepam were 2-oxoquazepam (OQ), obtained by replacement of S by O,N-desalkyl-2-oxoquazepam (DOQ), and 3-hydroxy-2-oxoquazepam (HOQ) glucuronide.
(8) Attachment of the graft to the wound is similar with and without the addition of human basic fibroblast growth factor, a potent angiogenic agent, to the skin replacement before graft placement on wounds.
(9) It was concluded that the detachment of the oxaloyl residue from oxaloacetate and its replacement by a proton proceed with inversion of configuration at the methylene group which becomes methyl during the hydrolysis.
(10) I f you haven’t got a family, you need that replaced in some way, that’s the most important thing you can do for someone in care,” says 24-year-old Chloe Juliette, herself a care leaver.
(11) It is an intriguing moment: the new culture secretary, Sajid Javid, who was brought in to replace Maria Miller last month, is something of an unknown quantity.
(12) Replacement of Na+ by K+ or Li+ did not alter uptake, whereas replacement of Cl- by HCO-3 or gluconate- reduced uptake by approximately 40%.
(13) He underwent a mitral and aortic valve replacement, followed by a complicated postoperative course.
(14) Substitution of NaCl in the extracellular medium by sucrose, LiCl, or Na2SO4 had no effect on glutamate stimulation of [3H]dopamine release; however, release was inhibited when NaCl was replaced by choline chloride or N-methyl-D-glucamine HCl.
(15) C. parasitica mutant strains deficient in the production of endothiapepsin (eapA-) were constructed using a gene-replacement strategy.
(16) Replacement of vinyl groups with bulkier substituents (hydroxyethyl or acetyl groups) decreases holoenzyme stability and catalytic activity.
(17) It became fully operational in 1975, replacing its predecessor the rubber bullet.
(18) The experimental results for protein preparations of calmodulin in which Ca2+ was isomorphically replaced by Tb3+ were obtained by a spectrometer working at the Institute of Nuclear Physics.
(19) The rate of indole production is increased about 4-fold when the aminoacrylate produced is converted to S-(hydroxyethyl)-L-cysteine by a coupled beta-replacement reaction with beta-mercaptoethanol.
(20) Ultrastructural study of the uterine lesion demonstrated smooth muscle cells with only a few "autophagic" facuoles to cells nearly replaced by lysosomes.
Tetrabasic
Definition:
(a.) Capable of neutralizing four molecules of a monacid base; having four hydrogen atoms capable of replacement by bases; quadribasic; -- said of certain acids; thus, normal silicic acid, Si(OH)4, is a tetrabasic acid.
Example Sentences:
(1) The precursor also has potential sites for glycosylation, integrin binding (RGD), and a tetrabasic amino acid (RKKR) site for potential cleavage of the precursor peptide to a biologically active protein.
(2) Adrenocorticotropin (ACTH) is cleaved at the tetrabasic residue site, in pituitary intermediate lobe secretory vesicles, to yield ACTH1-17 and corticotropin-like intermediate lobe peptide (CLIP).
(3) The ATP-induced effects were inhibited in a dose-dependent manner by Mg2+ and greatly potentiated in its absence, which suggests that the tetrabasic ATP4 is probably the active species and that a phosphotransferase activity is not involved in its effects.
(4) Following removal of the signal peptide, a rapid cleavage at the tetrabasic sequence Arg-Arg-Lys-Arg separates the amino and carboxyl regions of the prohormone.
(5) Extracellular conversion of the 71-kDa peptide to the 68-kDa peptide involved cleavage at the sequence Arg-Lys-Lys-Arg (amino acids 106-109), since deletion of this tetrabasic sequence resulted in secretion of the 71-kDa peptide without further conversion to the 68-kDa form.
(6) A point mutation in the human insulin receptor gene in a patient with type A insulin resistance alters the amino acid sequence within the tetrabasic processing site of the proreceptor molecule from Arg-Lys-Arg-Arg to Arg-Lys-Arg-Ser.
(7) We have studied the specificity requirements for processing of the human insulin proreceptor by successively replacing each basic amino acid in the tetrabasic cleavage site with alanine.
(8) ATP (as the tetrabasic acid, ATP4-) applied externally to rat mast cells causes the formation of lesions which permit influx and efflux of low molecular weight, normally impermeant aqueous solutes.
(9) A well-conserved tetrabasic residue has been shown to be the first endoproteolytic cleavage site of the precursor, giving rise to two intermediates, which are differentially processed and packaged.
(10) Also unique to this new TGF beta is an insertion of two amino acids near the N-terminus of the processed peptide which would result in a 114 amino acid mature protein after cleavage from the precursor at a tetrabasic arg-arg-arg-arg site.
(11) Each of these equine H7 haemagglutinins possess a tetrabasic amino acid cleavage site separating the HA1 and HA2 domains but, in addition, all ten contain a nine amino acid insertion prior to the tetrabasic sequence.
(12) Bovine intermediate lobe secretory vesicle membranes were screened for proteolytic enzyme activity that will cleave the tetrabasic residues of ACTH.
(13) The acidic, ACTH-converting enzyme cleaved ACTH1-39 at the tetrabasic residues between the Arg17-Arg18 bond to yield ACTH1-17 and CLIP, but did not cleave paired basic residues of pro-opiomelanocortin.
(14) This enzyme activity was characterized as a Ca(2+)-activated serine protease with unique specificity for the tetrabasic residues of ACTH1-39.
(15) The pH optimum, distinct specificity for tetrabasic residues, and subcellular localization of the acidic ACTH-converting enzyme indicate a function of this enzyme in the in vivo conversion of ACTH1-39 to alpha-melanocyte-stimulating hormone in intermediate lobe secretory vesicles which have an acidic internal pH.
(16) In solutions containing Mg2+ and Ca2+, ATP is in equilibrium between the tetrabasic form (ATP4-) and its bidentate coordination complexes, i.e., MgATP2- and CaATP2-.