(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.
Pearl
Definition:
(n.) A fringe or border.
(v. t. ) To fringe; to border.
(n.) A shelly concretion, usually rounded, and having a brilliant luster, with varying tints, found in the mantle, or between the mantle and shell, of certain bivalve mollusks, especially in the pearl oysters and river mussels, and sometimes in certain univalves. It is usually due to a secretion of shelly substance around some irritating foreign particle. Its substance is the same as nacre, or mother-of-pearl. Pearls which are round, or nearly round, and of fine luster, are highly esteemed as jewels, and compare in value with the precious stones.
(n.) Hence, figuratively, something resembling a pearl; something very precious.
(n.) Nacre, or mother-of-pearl.
(n.) A fish allied to the turbot; the brill.
(n.) A light-colored tern.
(n.) One of the circle of tubercles which form the bur on a deer's antler.
(n.) A whitish speck or film on the eye.
(n.) A capsule of gelatin or similar substance containing some liquid for medicinal application, as ether.
(n.) A size of type, between agate and diamond.
(a.) Of or pertaining to pearl or pearls; made of pearls, or of mother-of-pearl.
(v. t.) To set or adorn with pearls, or with mother-of-pearl. Used also figuratively.
(v. t.) To cause to resemble pearls; to make into small round grains; as, to pearl barley.
(v. i.) To resemble pearl or pearls.
(v. i.) To give or hunt for pearls; as, to go pearling.
Example Sentences:
(1) Based on their localisation and histology these are classified into three types (Epstein's pearls, Bohn's nodules, Dental lamina cysts).
(2) Pregnancy occurred in 14 women corresponding to a Pearl-index of 55.6.
(3) Bloody odd combination but those Orange Foam Headphones would blast those magnificent records into my developing brain over and over again" chernypyos – Björk's Human Behavior and Sinead O'Connor's Fire On Babylon: "bjork's 'human behavior' and sinead o'connor's "fire on babylon" oddly stick in my head from that one evening walking in the woods, breathing the damp air, and feeling pleasantly invisible" Pyromancer – REM – Automatic for the People Blood Sugar Sex Magic Pearl Jam - Vs RATM's first album Portishead Maxinquaye by Tricky Manic Street Preachers – Gold Against the Soul Smashing Pumpkins, Siamese Dream "I used to go to the local library and take out a CD (50p for 3 weeks!
(4) Further south is Ghadames, one of the most ancient settlements in north Africa , which Unesco calls “the pearl of the desert”.
(5) Whereas a simple tympanoplasty could cure a localized pearl, typically anterosuperior in the mesotympanum, the stapes is fast eroded (7 cases) if progression goes on.
(6) The pregnancy rate after 5 years was 3.2 or a Pearl index of 1.21 which is very good compared to other methods of contraception now available.
(7) Our plan is to have 200 Pearl accredited homes by the end of 2016 to help meet the UK's growing need for specialist dementia care centres with specially trained staff.
(8) We now have 67 Pearl accredited homes with a further 70 working through the pathway to achieve accreditation.
(9) It was established that density of one-generation concrements resembling pearl granules was far greater as compared to that of the other varieties of cholesterol concrements.
(10) use efficacy may be calculated in 2 ways: the Pearl Index (the failure rate expressed as the number of pregnancies divided by the number of months of exposure and multiplied by 1200) and the cumulative life table method.
(11) Brush the buns with the egg and sprinkle with pearl sugar.
(12) It has a Pearl index of 2.9 and must be replaced yearly.
(13) PEARL can also serve as a tool in basic research on human psychophysiology.
(14) The packing of crystals seemed to be less tight in pearl enamel.
(15) Confectionery levels ranged between 0.26 and 7.9 mg g-1, whilst contents in health products were 0.30-47.1 mg g-1, the highest values being measured for throat pearls.
(16) Twenty-four wethers had ad libitum access to a total forage diet (pearl millet forage), water and trace mineralized salt.
(17) Compared with Progestasert, LNG Nova-T showed lower pregnancy rates (Pearl Index 0.30), less risk for ectopic pregnancy, and a longer effective lifetime (7 years).
(18) The physical parameters tested were: test weight (TW), endosperm texture (TE), pearling index (IP), 1000 kernel wt (W 1000), infrared reflectance (NIR) and color (Ref).
(19) Shenzhen , the country’s first SEZ, which opened in 1980, currently harbours 300,000 migrant workers, while Pearl River Delta Economic Zone is home to 42 million people.
(20) In the mid-1990s, when the movement's influence on HTB was at its height, I visited a Chelsea church run by Nicky Lee, one of the men who converted Welby at Cambridge, and when the Holy Spirit started knocking people down, I'd hear the distinct rattle of pearls when the young women fainted to the floor.