(n.) A mineral consisting, like quartz, of silica, but inferior to quartz in hardness and specific gravity.
Example Sentences:
(1) Several suppressors (suhD) that can specifically suppress the temperature-sensitive opal rpoH11 mutation of Escherichia coli K-12 have been isolated and characterized.
(2) Oligonucleotide-directed mutagenesis was used to generate amber, ochre and opal suppressors from cloned Arabidopsis and Nicotiana tRNA(Tyr) genes.
(3) The presence of 5' homologies flanking only the transcribed genes and not the pseudogenes suggests that these regions may be regulatory control elements specifically involved in the expression of the eukaryotic opal suppressor gene.
(4) The nonsense mutants of S. pombe have been classified according to their suppressibility by defined opal and ochre suppressors into a class of efficiently suppressed opal and a class of inefficiency suppressed ochre mutants.
(5) The opal suppressor form shows moderate suppressor activity when the gene is introduced on this vector, however, the ochre suppressor form exhibits no detectable biological activity regardless of gene copy number.
(6) The rabbit genome encodes an opal suppressor tRNA gene.
(7) Using such an assay, we provide the first direct evidence that an opal suppressor tRNA gene is functional in mammalian cells.
(8) The growth patterns of nonsense mutants of RNA (GA and f2) and DNA (lambda and T4) phages suggested that KO1 carried an amber, but not ochre or opal suppressors.
(9) Opal suppressor tRNA did not accept any selenocysteine and phosphoseryl-tRNA did not change to selenocysteyl-tRNA.
(10) We report here the construction of a detailed genetic and physical map of these genes, the neighboring gene 4 and a portion of gene 10, in which 289 conditional lethal amber, opal, temperature sensitive and cold sensitive mutations are mapped into 44 small (several hundred base pair) intervals of known sequence.
(11) More than half a million people have joined the Open Air Laboratories (Opal) citizen science project, designed to get people outdoors and involved in scientific research, since its launch in 2007.
(12) We studied the above mechanisms using opal suppressor tRNA in mammals.
(13) Two mutations, Cys-318 to an opal termination codon and Cys-319 to Ser-319, were created in vitro and substituted in the chromosome in place of the normal RAS2 allele.
(14) The important role of G73 in tryptophan identity was confirmed using mutants of an opal suppressor derivative of tRNA(Trp).
(15) This study has been undertaken in order to elucidate the mechanisms of incorporation of Se into glutathione peroxidase (GSHPx), in which selenocysteine corresponds to the opal termination codon UGA on the mRNA.
(16) An opal suppressor of tRNA(Gln) (su+2UGA) containing C35 (anticodon UCA) was isolated by genetic selection and mutagenesis.
(17) A proposal of the role of animal opal suppressor phosphoseryl (Ps)-tRNA is that Ps-tRNA plays a role as an intermediate in the metabolic pathway from 3-phosphoglycerate to glycine.
(18) Suppressor [32P]phosphoseryl-tRNA, prepared using bovine seryl-tRNA synthetase and ATP:seryl-tRNA phosphotransferase, was mixed with rabbit reticulocyte lysates containing endogenous hemoglobin mRNA having the termination codon UGA (opal).
(19) OPAL concept (Old People With Active Life styles) recommends an individualized establishment of therapy instead of standard techniques to try the minimal trouble to a good quality of life for the patient.
(20) "It is so well understood, so embedded in the psyche, that people make jokes about Opal Fruits and Jammy Dodgers being one of your five a day.
Pal
Definition:
(n.) A mate; a partner; esp., an accomplice or confederate.
Example Sentences:
(1) I can't wait to see what Christie and her patriarchy-smashing pals do next.
(2) Northern hybridization analysis of R. toruloides RNA with a restriction fragment encoding part of the PAL gene indicates that PAL mRNA is 2.5 kilobases in length.
(3) Here we report on the identification of four loci, pim-1, bmi-1, pal-1, and bla-1, which are occupied by proviruses in 35%, 35%, 28%, and 14% of the tumors, respectively.
(4) In contrast, there was found a striking increase in the proportion of cells that are Pal-E positive and a significant increase in the proportion of FVIII-RA positive cells in these biopsies.
(5) Fantastic Beasts, which is set 70 years prior to the arrival of Potter and his pals at the magical Hogwarts School of Witchcraft and Wizardry, will feature the swashbuckling adventurer Newt Scamander.
(6) These chromosome changes are also common in malignant lymphoma and suggest that the patients with PALS may be predisposed to develop malignant lymphoma.
(7) The healing result was estimated by monitoring probing attachment levels (PAL).
(8) In the periarteriolar lymphatic sheaths (PALS) both cell concentration and volume were measured.
(9) Chimaeric studies demonstrated small numbers of donor cells in the PALS at 26 days and larger numbers at 56 days.
(10) Coulson said he had been on '"not unfriendly terms" with Hayman during his time at the News of the World: "I may have seen him socially, but we were not pals.
(11) The GMB had contacts with him via Fulham football club; 'Pal Fayed', the local paper, the Rhondda Leader, called him on their front page.
(12) Pal-Ab specific for chicken erythrocytes (CE) were incorporated into the plasma membranes of M phi by insertion of the palmitate hydrocarbon chains into the outer leaflet of the phospholipid bilayer.
(13) Our results demonstrate that subsets of the PAL and CHS gene families are specifically induced in soybean roots after infection with B. japonicum.
(14) In the T cell area of the spleen white pulp (C-PALS), an increase in the proportions of T lymphocytes and mononuclear phagocytes was observed on days 10 and 12 after the injection of P815X2 cells.
(16) In this study we used palmitate-derivatized antibodies (pal-Ab) to examine the minimum contribution of Fc receptors (FcR) to macrophage (M phi)-mediated lysis and phagocytosis in antibody-dependent cellular cytotoxicity (ADCC).
(17) DEAE-cellulose chromatography of cytosol isolated two peaks capable of oxidizing PAL, but only one peak was able to metabolize t-4HH.
(18) Atrial and ventricular cardiomyocytes secreted PHM and PAL activity at a constant rate throughout the culture period.
(19) In the presence of pal, defective chromosomes are produced and these chromosomes tend to get lost during the early cleavage divisions of the zygote.
(20) Pardeep Pal and others investigated the impact of climate change on the £1.3bn insured losses from the flooding in the UK in 2000.