| 单词 | nucleic acid |
| 释义 | nucleic acid noun[CorU] chemistry,biologyspecializeduk/njuːˌkleɪ.ɪk ˈæs.ɪd/us/nuːˌkleɪ.ɪk ˈæs.ɪd/atypeofacidthatexistsin alllivingcells: （存在于生物细胞中的）核酸DNAandRNAare both nucleicacids.脱氧核糖核酸与核糖核酸均属于核酸。 Biochemistry
nucleic acid| American Dictionarynucleic acid noun[C/U] us/nuˈkli·ɪk ˈæs·ɪd,-ˈkleɪ-/biology atypeofacid, forexample,DNAandRNA, that isfoundin alllivingcellsandcontainsthegeneticinformationpassedfromparentstochildren Examplesofnucleic acidnucleic acid Quality and accessibility of targetednucleicacidwas assessed by controls. From theCambridge English Corpus It turns out that clay (montmorillonite/kaolinite) adsorbednucleicacidundergoes less radiation damage than freenucleicacid. From theCambridge English Corpus In later stages of evolution, a group of enzymatic proteins,nucleicacidpolymerases, has been selected to catalysenucleicacidreplication. From theCambridge English Corpus Currently,nucleicacidsynthesis inside the cell is a template-directed process catalysed by nucleic acid polymerases which constitute a group of very evolved molecules. From theCambridge English Corpus The number of experiments needed here and also fornucleicacidassignments strongly depends on the degree of spectral overlap. From theCambridge English Corpus The variables considered were the number and size of the electrophoretically separatednucleicacidfragments. From theCambridge English Corpus Charged side chains form electrostatic surfaces complementary to thenucleicacid. From theCambridge English Corpus Indeed,nucleicaciddetection is likely to be a key component in plans for both space-based and sample-return life detection. From theCambridge English Corpus Thus, if addition of protein tonucleicacidresults in precipitation then this does not rule out that the opposite procedure will work. From theCambridge English Corpus Most ' exact-matching ' problems arise in handlingnucleicacidsequences. From theCambridge English Corpus The synthesis of a self-propagating and infectiousnucleicacidwith a purified enzyme. From theCambridge English Corpus The next section provides some background theory onnucleicacidstructures. From theCambridge English Corpus However, the low chemical stability of nucleotides in an aqueous environment also makes it possible that peptides and proteins could precedenucleicacidformation. From theCambridge English Corpus Thus, it is proposed thatnucleicacidor other replicators can best arise from autocatalytic cycles, rather than semi-conservative copying. From theCambridge English Corpus Indeed, similar findings have been reported in studies performed on other nematodes usingnucleicacidbinding dyes. From theCambridge English Corpus 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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