单词 | DNA |
释义 | DNADNA /ˌdiː en ˈeɪ◂/ ●○○ noun [uncountable] Examples EXAMPLES FROM THE CORPUS word sets
WORD SETS► Biology Collocationsaerobic, adjectiveafterbirth, nounalgae, nounalimentary canal, nounamber, nounameba, nounamino acid, nounamoeba, nounanaconda, nounanaerobic, adjectiveandrogynous, adjectiveantibody, nounantigen, nounantitoxin, nounappendage, nounarm, nounarmour, nounasexual, adjectiveassimilation, nounatrophy, verbaviary, nounbacteria, nounbacteriology, nounbarnacle, nounbile, nounbinocular vision, nounbio-, prefixbiochemistry, nounbiodegradable, adjectivebiodiversity, nounbiohazard, nounbiological, adjectivebiological clock, nounbiology, nounbiomass, nounbiome, nounbiosphere, nounblind, nounbrain, nounbreathe, verbbreed, verbbreed, nounbreeding, nounbristle, nounbulb, nouncapsule, nouncarbohydrate, nouncarbon dioxide, nouncarnivore, nouncell, nouncellular, adjectivecellulose, nouncentral nervous system, nouncervical, adjectivecholesterol, nounchromosome, nouncirculation, nouncirculatory, adjectiveclass, nounclone, nouncold-blooded, adjectiveconceive, verbconch, nounconnective tissue, nouncopulate, verbcoral reef, nouncornea, nouncoronary, adjectivecorpuscle, nouncortex, nouncortisone, nouncowrie, nouncrab, nouncrawfish, nouncrayfish, nouncreature, nouncross, verbcrossbreed, nounculture, nouncytoplasm, noundecay, verbdecay, noundecompose, verbdefecate, verbdenizen, noundextrose, noundiaphragm, noundigest, verbdigestion, noundigestive, adjectiveDNA, noundorsal, adjectivedry rot, nounduct, noundwarf, noundwarf, adjectiveecological, adjectiveecology, nounecosystem, nounegg, nounejaculate, verbembryo, nounembryonic, adjectiveenzyme, nounepidermis, nounevolution, nounevolutionary, adjectiveexcrement, nounexcrescence, nounexcrete, verbexcretion, nounexhale, verbexoskeleton, nounextinction, nounfaeces, nounfamily, nounfang, nounfat, nounfatty acid, nounfauna, nounfeces, nounfeed, verbfemale, adjectivefemale, nounferment, verbferment, nounfertile, adjectivefertility, nounfertilize, verbfission, nounflank, nounflatulence, nounflesh, nounfleshy, adjectiveflightless, adjectiveflora, nounfoetal, adjectivefoetus, nounfoliage, nounfossil, nounfreak, nounfreshwater, adjectivefructose, noungamete, nounganglion, noungene, noungene pool, noungenera, genetic, adjectivegenetic code, noungenetic engineering, noungenetic fingerprinting, noungenetics, noungenome, noungenus, noungestation, noungland, nounglandular, adjectiveglucose, noungluten, noungonad, noungrass snake, noungrow, verbgrowth, nounhabitat, nounhaemoglobin, nounhearing, nounheart, nounhemisphere, nounherbivore, nounhereditary, adjectiveheredity, nounhermaphrodite, nounhibernate, verbhistamine, nounhoming, adjectivehormone, nounhost, nounimpregnate, verbimpulse, nounincubate, verbindigenous, adjectiveinfected, adjectiveinfertile, adjectiveinfest, verbingest, verbinhale, verbinseminate, verbinsensate, adjectiveinsulin, nounintegument, nounintercourse, nouninterferon, nounintestine, nouninvertebrate, nouninvoluntary, adjectiveiris, nounjaw, nounjelly, nounkidney, nounkrill, nounlactate, verblactation, nounlactic acid, nounleech, nounleg, nounlesser, adjectivelichen, nounlife, nounlife cycle, nounlife form, nounligament, nounlimb, nounlimpet, nounlipid, nounliver, nounliving fossil, nounlocomotion, nounlymph, nounlymph node, nounmale, adjectivemale, nounmammal, nounmandible, nounmate, nounmate, verbmembrane, nounmetabolism, nounmetabolize, verbmetamorphosis, nounmicrobe, nounmicrobiology, nounmicroorganism, nounmicroscopic, adjectivemigrate, verbmigratory, adjectivemiscarriage, nounmolar, nounmorphology, nounmotor, adjectivemould, nounmouth, nounmucous membrane, nounmucus, nounmulticellular, adjectivemuscle, nounmuscular, adjectivemutant, nounmutate, verbmutation, nounnatural history, nounnatural selection, nounnature, nounneck, nounnectar, nounnerve, nounnervous, adjectivenervous system, nounneural, adjectiveneuro-, prefixneurology, nounnode, nounnose, nounnostril, nounnucleic acid, nounnucleus, nounnutrient, nounnutriment, nounoesophagus, nounoestrogen, nounolfactory, adjectiveoptic, adjectiveorgan, nounorganic, adjectiveorganic chemistry, nounorganism, nounorifice, nounossify, verbosteo-, prefixoutgrowth, nounova, ovary, nounoverwinter, verboviduct, nounoviparous, adjectiveovulate, verbovum, nounparasite, nounpathogen, nounpedigree, nounpelvic, adjectivepelvis, nounpenile, adjectivepenis, nounpepsin, nounperiod, nounperspiration, nounperspire, verbphotosynthesis, nounphylum, nounpigment, nounpigmentation, nounplankton, nounplasma, nounpollinate, verbpostnatal, adjectivepregnancy, nounpregnant, adjectivepremature, adjectiveprenatal, adjectiveproduct, nounproliferation, nounpropagate, verbprotein, nounprotoplasm, nounprotozoan, nounpuberty, nounpulmonary, adjectivepulp, nounpulsation, nounputrefy, verbputrid, adjectivered blood cell, nounregurgitate, verbrenal, adjectivereproduce, verbreproduction, nounreproductive, adjectiverespiration, nounrespiratory, adjectiverespire, verbretina, nounroot, nounrot, verbrot, nounruff, nounsac, nounsaliva, nounsalivary gland, nounsalivate, verbsaltwater, adjectivescale, nounscallop, nounscaly, adjectivesebaceous, adjectivesecrete, verbsecretion, nounsemen, nounsense organ, nounsensory, adjectiveserum, nounsex, nounsex, verbsexless, adjectivesexual intercourse, nounsheath, nounshell, nounsibling, nounskeletal, adjectiveskeleton, nounskin, nounskull, nounspasm, nounspasmodic, adjectivespecies, nounspecimen, nounsperm, nounspiderweb, nounspinal cord, nounspine, nounspineless, adjectivestarch, nounstem cell, nounstimulate, verbstimulus, nounstrain, nounsubject, nounsubspecies, nounsucker, nounsucrose, nounsweat, verbsweat, nounsweat gland, nounsymbiosis, nounsystemic, adjectivetail, nountaxonomy, nounteeth, testosterone, nountest-tube baby, nountissue, nountrachea, nountube, noununicellular, adjectiveurethra, nounuric, adjectiveurinate, verburine, nounvariety, nounvector, nounvein, nounvenom, nounvenomous, adjectiveventricle, nounvertebra, nounvertebrate, nounvivisection, nounwarm-blooded, adjectivewean, verbwildlife, nounwindpipe, nounyolk, noun COLLOCATIONS FROM THE ENTRY► DNA test (deoxyribonucleic acid) a substance that carries genetic information in the cells of the body: A DNA test showed that he was not the baby's father. A DNA test showed that he was not the baby's father. COLLOCATIONS FROM OTHER ENTRIES► a DNA sample· Archaeologists are studying DNA samples from ancient Egyptian mummies. COLLOCATIONS FROM THE CORPUSNOUN► analysis· However, Mr Klevan said that subsequent DNA analysis had established that the baby was Gilfoyle's.· But Marino said the DNA analysis does not completely rule out Sam Sheppard as a source of the blood.· Electrophysiological studies may be of help in cases where neither sweat test nor DNA analysis were conclusive.· Interviews with local doctors, blood samples and DNA analysis will follow. ► binding· Nevertheless, it is likely that the qualitative features of DNA binding are the same.· Thus, these two positions may be important for sequence specific DNA binding of CytR. ► fragment· The labelled tyr T DNA fragments of interest were separated from the remainder of the plasmids on 6% polyacrylamide gels.· The DNA fragments are placed in a semi-&.· It can be estimated that at least twelve DNA fragments are detected by the probe.· For these reasons we intend to perform future studies on DNA fragments containing isolated actinomycin binding sites.· DNase I footprinting assays were performed with 5' end-labelled DNA fragments and bacterial extracts.· The results for several DNA fragments are presented in Figures 5 and 6.· Of these, 19 products were found to contain low-copy DNA fragments. ► molecule· It replicates itself, making two DNA molecules where before there was one; and it makes protein.· After all, the DNA molecule is one continuous chain of bases, and without punctuation, the code would be nonsensical.· We have seen that DNA molecules are the centre of a spectacular information technology.· In fact, only about five per cent of each DNA molecule actually provides any meaningful code.· In cell division the spiral appears, as well as in the DNA molecule in the cell nucleus.· The messages that DNA molecules contain are all but eternal when seen against the time scale of individual lifetimes.· These four bases provide the only source of variation in the DNA molecule. ► polymerase· A thermostable DNA polymerase is added to the same tube.· The more drugs that one gives, the more likely it is that damage to host DNA polymerase will take place. ► replication· The whole process is emphatically led by the cytoplasm-which continues to divide whether DNA replication is completed or not.· The theist can not deny that DNA replication could have come about by an exceedingly improbable chance.· Astra says her methods do not fully exclude the possibility of normal DNA replication and can not repeat her results. ► sample· A DNA sample taken from the exhumed body of the A6 murderer James Hanratty has reportedly confirmed his guilt.· Blum and Noble examined DNA samples from the brains of corpses of thirty-five alcoholics and thirty-five nonalcoholics.· Detectives say they'd have more chance of solving such cases if a national register of DNA samples was set up.· Now police believe a National register of DNA samples might have helped catch the man, but they admit there are problems.· Specimens are now providing DNA samples that could answer questions about evolutionary links. ► sequence· As they bind to similar DNA sequences and associate with the same proteins, they are likely to be closely related.· It is the gradual reorganisation of the genetic program, the software coded into DNA sequences.· Other methods of genetic purification can homogenize a DNA sequence.· Both Myc+Max and Max+Max bind to the same DNA sequence.· The amino acid sequences were deduced from the DNA sequences.· It will take by then a matter of weeks to determine the complete DNA sequence of such a gene.· Just one base wrong in a particular DNA sequence may cause a coding error in the protein formed by that gene.· Polymerase chain reaction, however, is a powerful technique capable of amplifying specific target DNA sequences by a factor of 10. ► sequencing· Point mutations were created by oligonucleotide-mediated site-directed mutagenesis and confirmed by DNA sequencing.· Today's techniques for DNA sequencing are comparatively laborious and indirect.· Genomic DNA sequencing and mapping of the exon-intron boundaries showed that the visceral isoform was the product of cassette-type alternative splicing.· Direct DNA sequencing of the relevant amplification products in both patients was used to characterize each mutation.· The predicted 5' and 3' boundaries of the expression regions were confirmed by direct plasmid DNA sequencing.· Immunocytochemistry can then be used as a marker of p53 mutation, although DNA sequencing remains the gold standard. ► strand· The two DNA strands in the sample would, of course, usually relocate their partners and reform the paired double helix.· The other way is that it can be duplicated into a new DNA strand. ► structure· This suggests that the DNA structure relaxes back to its native form more slowly than the dissociation of the drug.· It therefore seems that both DNA structure and hydrogen bonding to guanine contribute towards sequence recognition.· Other studies hint that DNA structure itself influences the cleavage efficiency.· This suggests some form of hysteresis in the DNA structure so that its exact behaviour depends on its history. ► synthesis· So acyclovir phosphate and triphosphate are not formed in healthy cells, whose DNA synthesis is therefore not affected.· Rat sciatic nerve Schwann cells were assayed for incorporation of DNA synthesis precursors, as described. ► test· Thirty-nine women treated at the hospitals have been offered DNA tests to prove their babies are their own.· They alleged that scientists, supposedly objective, interpreted DNA test results in the most incriminating way possible.· A legal case is pending which will force a DNA test to acknowledge paternity.· The results of DNA tests have not been received yet.· Why, for example, have we had to wait so long for DNA tests on the blood?· A quick DNA test shows which partner succeeded as a father.· Police are almost certain the torso was Mr Davison but they're awaiting confirmation by a DNA test.· He was aware that DNA tests would be carried out on Otzi. |
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