What's the difference between primer and symbol?

Primer


Definition:

  • (n.) One who, or that which, primes
  • (n.) an instrument or device for priming; esp., a cap, tube, or water containing percussion powder or other compound for igniting a charge of gunpowder.
  • (a.) First; original; primary.
  • (n.) Originally, a small prayer book for church service, containing the little office of the Virgin Mary; also, a work of elementary religious instruction.
  • (n.) A small elementary book for teaching children to read; a reading or spelling book for a beginner.
  • (n.) A kind of type, of which there are two species; one, called long primer, intermediate in size between bourgeois and small pica [see Long primer]; the other, called great primer, larger than pica.

Example Sentences:

  • (1) The following conclusions emerge: (i) when the 3' or the 3' penultimate base of the oligonucleotide mismatched an allele, no amplification product could be detected; (ii) when the mismatches were 3 and 4 bases from the 3' end of the primer, differential amplification was still observed, but only at certain concentrations of magnesium chloride; (iii) the mismatched allele can be detected in the presence of a 40-fold excess of the matched allele; (iv) primers as short as 13 nucleotides were effective; and (v) the specificity of the amplification could be overwhelmed by greatly increasing the concentration of target DNA.
  • (2) Elongation of existing RNA primers by the human polymerase-primase was semi-processive; following primer binding the DNA polymerase continuously incorporated 20 to 50 nucleotides, then it dissociated from the template DNA.
  • (3) This cDNA was obtained because of an identical 10 bp match with the 3' end of one of the GnRH primers.
  • (4) When PCR products in each of the 12 cats were subjected to a second amplification using the same primer pair (two-step amplification: double PCR), FIV proviral DNA was detected in all of the cats.
  • (5) In junctions, 3' PSS termini are preserved by fill-in DNA synthesis, although their 5' recessed ends cannot serve as a primer.
  • (6) Previous studies demonstrated that, when poly(dT).oligo(dA) was used as a template-primer, both proteins were required for poly(dA) synthesis.
  • (7) 5'-Ends of transcripts of the region were located by S1 nuclease mapping and primer extension.
  • (8) Nucleotide incorporation kinetics were determined and sequence specific pausing was analyzed by primer-extension.
  • (9) Primer extension and S1 nuclease protection analysis demonstrate that the hepatic and kidney specific mRNAs are transcriptionally initiated at different sites within the sialyltransferase gene.
  • (10) alpha 1 and alpha 2 were very similar as DNA polymerases in their sensitivity to several inhibitors and their preference for template-primers, except that alpha 1 had a slightly greater preference for poly (dT) X (rA)10 than alpha 2 did.
  • (11) Our results indicate that provirus expression occurs by two different mechanisms: one provirus acquired a single base pair mutation in the retrovirus tRNA primer binding site, permitting provirus expression; expression of three proviruses was mediated by 5'-flanking DNA sequences.
  • (12) Cognate sites in genomes that diverged approximately 100 million years ago can be detected by PCR assays based on primer pairs from unique sequences.
  • (13) HDV cDNA was then directly amplified with Taq polymerase using three pairs of specific primers.
  • (14) This reaction involved the synthesis of a short oligoribonucleotide primer which was then extended into a DNA chain.
  • (15) cDNA was prepared by reverse transcription of peripheral blood mRNA and amplified by the polymerase chain reaction (PCR) using primers corresponding to sequences 400 bp apart on the cDNA, spanning the last three exons (X, Y, Z) of the beta-Sp gene.
  • (16) B.subtilis phage M2 uses a protein, instead of RNA, as the primer of its DNA replication.
  • (17) Optimum specific amplification resulted when the primer annealing temperature was 60 degrees C. The gene fragment was amplifiable in 25 different Brucella species and strains.
  • (18) Primer extension experiments show that in fission yeast transcripts are initiated at the same starting point as in tomato, indicating for the first time that a plant promoter can be correctly recognized in fission yeast.
  • (19) Genomic clones for the mouse estrogen receptor have been isolated from a cosmid library and used in conjunction with the cDNA clones to study the expression of the receptor in vivo by RNase mapping, primer extension, and Northern blotting.
  • (20) By using primer 1 (5'-AAAGAATTCATGGAATCCAGGATCTG-3', upstream nucleotides 157 to 2877), primer 2 (5'-AAAGAATTCATGAACGTGAAGGAATCG-3', upstream nucleotides 1846 to 2877), and primer 4(5'-ATAAAGCTTAATCAGACGTTCTCTTCTTC-3', downstream nucleotides 157 to 2877 and 1846 to 2877), the HCMV B gene code region sequence and its glycoprotein 52 kd antigenic domain sequence were amplified from the recombinant plasmid pBH1 DNA containing the HCMV B gene.

Symbol


Definition:

  • (n.) A visible sign or representation of an idea; anything which suggests an idea or quality, or another thing, as by resemblance or by convention; an emblem; a representation; a type; a figure; as, the lion is the symbol of courage; the lamb is the symbol of meekness or patience.
  • (n.) Any character used to represent a quantity, an operation, a relation, or an abbreviation.
  • (n.) An abstract or compendium of faith or doctrine; a creed, or a summary of the articles of religion.
  • (n.) That which is thrown into a common fund; hence, an appointed or accustomed duty.
  • (n.) Share; allotment.
  • (n.) An abbreviation standing for the name of an element and consisting of the initial letter of the Latin or New Latin name, or sometimes of the initial letter with a following one; as, C for carbon, Na for sodium (Natrium), Fe for iron (Ferrum), Sn for tin (Stannum), Sb for antimony (Stibium), etc. See the list of names and symbols under Element.
  • (v. t.) To symbolize.

Example Sentences:

  • (1) A tiny studio flat that has become a symbol of London's soaring property prices is to be investigated by planning, environmental health and fire safety authorities after the Guardian revealed details of its shoebox-like proportions.
  • (2) In Tirana, Francis lauded the mutual respect and trust between Muslims, Catholics and Orthodox Christians in Albania as a "precious gift" and a powerful symbol in today's world.
  • (3) They operate on a mystical and symbolic plane, which is foreign to the practice of "Western" medicine.
  • (4) They include the Francoist slogan "Arriba España" and the yoke-and-arrows symbol of the far right Falange, whose members killed the women.
  • (5) Plasma drug concentrations, subjective self-ratings, and the digit symbol substitution test (DSST) were evaluated during 24 hours after dosage.
  • (6) YOH shifted the healthy subjects' mood towards feeling panicked, elevated systolic blood pressure and plasma prolactin concentrations, reduced digit symbol substitution, and induced drowsiness and passiveness.
  • (7) Brazil and Argentina unite in protest against culture of sexual violence Read more The symbolic power of so many women standing together proves that focusing on victims does not mean portraying women as passive.
  • (8) There on the street is Young Jo whose last words were, "I am wery symbolic, sir."
  • (9) Third, the appropriation of these symbolic forms of society, self, and the emotions by the current Iranian Islamic state and the role of the state in defining the meaning and legitimacy of emotions and their expression is analyzed.
  • (10) The philosopher defended his actions by referring to Pierre Bourdieu's concept of symbolic violence, naturally enough, but it didn't wash with HR.
  • (11) This museum is a symbol of the artistic vitality of Paris.
  • (12) The best was the oral version of the Symbol Digit Modalities test, which by itself accounted for 70% of the variance of the full-sized-vehicle driving score.
  • (13) The performance tests included tracking, choice reaction, flicker fusion, exophoria, nystagmus, digit symbol substitution and the subjective assessment of mood.
  • (14) Besides, Francis says, once their reformation had gone on longer than their initial career, the rest of the band were starting to feel wary about just playing the old material, particularly when they found themselves booked to play a Canadian casino, the kind of venue that is traditionally the preserve of oldies acts: "It was just sort of symbolic, like ha-ha, here we are, at the casino.
  • (15) To investigate this issue, data from two previous papers were reanalysed to investigate the complete time course of precuing target location with either: (1) a peripheral cue that may draw attention reflexively, or (2) a central, symbolic cue that may require attention to be directed voluntarily.
  • (16) This more recent system has developed embedded wlithin the posteriorly located analytic and mnemonic cortical tissues and provides for communications between individuals within the species at symbolic, verbal levels.
  • (17) The top of the fence can also be manipulated in certain ways such as including curvature outward at the top of the fence to make scaling it much more difficult for most.” Some critics, including Washington DC congressional delegate Eleanor Holmes Norton, have warned against excessive fortification, but the report argues: “We recognise all the competing considerations that may go into questions regarding the fence, but believe that protection of the President and the White House must be the higher priority.” “Every additional second of response time provided by a fence that is more difficult to climb makes a material difference in ensuring the President’s safety and protecting the symbol that is the White House.” The panel also urges that a new head of secret service, to replace ousted head Julia Pierson, be brought in from outside the agency, ensuring it is better staffed and trained in future.
  • (18) "They said I was speaking about things I should not be speaking about ... insulting national symbols.
  • (19) It would be symbolic – not legally binding – but Pearson’s proposal is not just constitutional poetry.
  • (20) The task was to discriminate the orientation of the middle [symbol: see text].