| 词汇 | example_english_nucleic-acid |
| 释义 | Examples of nucleic acidThese examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. Quality and accessibility of targeted nucleicacid was assessed by controls. It turns out that clay (montmorillonite/kaolinite) adsorbed nucleicacid undergoes less radiation damage than free nucleicacid. In later stages of evolution, a group of enzymatic proteins, nucleicacid polymerases, has been selected to catalyse nucleicacid replication. Currently, nucleicacid synthesis inside the cell is a template-directed process catalysed by nucleic acid polymerases which constitute a group of very evolved molecules. The number of experiments needed here and also for nucleicacid assignments strongly depends on the degree of spectral overlap. The variables considered were the number and size of the electrophoretically separated nucleicacid fragments. Charged side chains form electrostatic surfaces complementary to the nucleicacid. Indeed, nucleicacid detection is likely to be a key component in plans for both space-based and sample-return life detection. Thus, if addition of protein to nucleicacid results in precipitation then this does not rule out that the opposite procedure will work. Most ' exact-matching ' problems arise in handling nucleicacid sequences. The synthesis of a self-propagating and infectious nucleicacid with a purified enzyme. The next section provides some background theory on nucleicacid structures. However, the low chemical stability of nucleotides in an aqueous environment also makes it possible that peptides and proteins could precede nucleicacid formation. Thus, it is proposed that nucleicacid or other replicators can best arise from autocatalytic cycles, rather than semi-conservative copying. Indeed, similar findings have been reported in studies performed on other nematodes using nucleicacid binding dyes. All major pathways of filarial lipid, amino acid and nucleicacid metabolism need to be elucidated if new generations of anthelmintics are to be developed. Elevated levels of this stress hormone in prenatal and postnatal periods inhibit dendritic branching, reduce brain nucleicacid synthesis, and permanently decrease brain corticosteroid receptors. It may seem simply silly to work oneself into an emotional frenzy over strands of nucleicacid. This is a lead to quantitative analyses of a relationship between catalytic activity and nucleicacid structure within nucleicacid sequence space. However, the small number of experimentally determined nucleicacid structures limits the application of this approach. As a result, the hydroxyl radicals cleave the phosphate backbone of nucleicacid, the sites of which are identified by primer extension, as described earlier. This program estimates the number of synonymous and non-synonymous substitutions per site between 2 nucleicacid sequences that code for proteins. The interpretation of oligonucleotide maps : a theoretical study of nucleicacid digests with special reference to repeated diverged sequences. Conformational transitions of duplex and triplex nucleicacid helices : thermodynamic analysis of effects of salt concentration on stability using preferential interaction coefficients. Many within the scientific and business communities believe genes and gene fragments have commercial value and have filed patent applications on the nucleicacid sequences. Such tags can then be entered in the nucleicacid databases to identify the trapped gene. Our studies on the remainder of the spectral region, analysing the protein, nucleicacid and carbohydrate peaks are ongoing. An example of this parallel evolution is nucleicacid polymerization. Epifluorescence microscopy was used to characterize the background fluorescence of samples prior to the application of nucleicacid and membrane specific stains. The structure of the nucleicacid junctions plays a central role in their biological function. Nanomechanical measurements of the sequencedependent folding landscapes of single nucleicacid hairpins. The method is quite simple and requires inexpensive apparatus but has scored many notable successes in nucleicacid structure, sometimes a decade ahead of crystallography. The motif forms a surface marked by solvent-exposed aromatic side chains and by basic residues, which make it suitable for nucleicacid binding. The carriers by which they are transported into the cells are nucleicacid macromolecules. Emzymatic digestion of nucleicacid obtained after extraction of the oocyte/egg vitelline membranes was carried out. Reactive oxygen species may be reduced because of the slowing of the electron transport chain, thereby reducing lipid, protein and/or nucleicacid oxidative damage. Comparative gel electrophoresis has proved to be a robust method for the analysis of branched nucleicacid structure, with notable successes. This novel allosteric mechanism has not previously been observed for nucleicacid catalysts. The kidneys, hearts, spleen and brains were obtained from these mice and snap-frozen in liquid nitrogen for nucleicacid and protein extraction. It should thus be possible to experimentally evaluate the adaptive significance of changes in the absorption spectrum of a target nucleicacid. Other chapters deal with nucleicacid probe labelling and methods of detection, agarose gel electrophoresis and centrifugation, all with tabulated technical data. We did not perform in situ nucleicacid hybridizations since previous attempts have shown that such techniques necessitate greater than 107 cells per reaction (data not shown). We also describe some of the physiological changes that occur immediately after the onset of recovery in these nematodes as revealed using fluorescent nucleicacid binding dyes. Reconstitution of active tobacco mosaic virus from its inactive protein and nucleicacid components. It has to do with the ability of the nucleicacid of a particular sequence to adopt a conformation induced by the protein at the lowest free energy cost. On the stability of nucleicacid structures in solution : enthalpyentropy concentrations, internal rotations and reversibility. A more unified picture for the thermodynamics of nucleicacid duplex melting : a characterisation by calorimetric and volumetric techniques. The second part (176 pages) describes in some detail the three principle methodologies used for detection and diagnosis of seed-borne viruses: biological, serological and nucleicacid-based assays. Independent functions of viral protein and nucleicacid in growth of bacteriophage. Under these conditions, aromatic molecular systems aggregate due to unfavourable interactions with water such that the heterocyclic nucleicacid bases tend to stack dynamically as long cylinders. The nucleicacid database: a comprehensive relational database of three-dimensional structures of nucleic acids. Specificity in formation of triple-stranded nucleicacid helical complexes : studies with agarose-linked polyribonucleotide affinity columns. Conformational geometry and vibrational frequencies of nucleicacid chains. The following sections are intended to convey recent thermodynamic findings for the reversible interactions of nucleicacid duplexes with minor groove-binding and intercalator ligands, where distinct mechanisms are involved. The modern concept of gene therapy has developed from the treatment of rare genetic diseases caused by mutations in a single gene to encompass all nucleicacid-based treatments. Water : an integral part of nucleicacid structure. Enzymatic synthesis of biotin-labeled polynucleotides : novel nucleicacid affinity probes. Effects of low temperature upon subsequent nucleicacid and protein synthesis of rabbit embryos. Absorption and circular dichroism spectroscopy of nucleicacid duplexes and triplexes. Alternative conformations of a nucleicacid four-way junction. The protein components of the shell also neutralize and select the correct viral genomic nucleic acid, regulate viral assembly and may regulate expression of viral proteins. Many products resulted from these syntheses, including those that are now present in biological systems and considered essential, such as amino acids, sugars, nucleicacid bases, and lipids. The nucleotide sequences of nucleicacid molecules contain the genetic information that is transferred through different generations, and thus ensuring the perpetuation and evolution of life. Eutectic phases in ice facilitate nonenzymatic nucleicacid synthesis. Eutecticphases in ice facilitate nonenzymatic nucleicacid synthesis. However, like most researchers at the time he thought of the nucleicacid as a necessary cofactor of reproduction, rather than as of the reproducing entity itself. This approach may be fostered by recent technological advances and improvements in analytical sensitivity for nucleicacid hybridizations, enzyme activity measurements and a number of other biological assays. Properties of cowpea chlorotic mottle virus, its protein and nucleicacid. Structural and mechanistic relationships between nucleicacid polymerases. Inhibition and facilitation of nucleicacid amplification. Direct optimization of nucleicacid sequences. Quantitative analysis of nucleicacid three-dimensional structures. Chirality errors in nucleicacid structures. Environmental application of nucleicacid hybridization. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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