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单词 polymerase
释义
polymerase
noun[U]
biology,chemistryspecialized
uk/ˈpɒl.ɪ.mər.eɪs/us/ˈpɑː.lɪ.mə.reɪz/
anenzyme(= achemicalsubstanceproducedbylivingcells)thatcausestheproductionof apolymer(= achemicalsubstanceconsisting oflargemoleculesmade from manysmallerandsimplermolecules):
Tocarryoutitsinstructions,RNAmust bedecodedby anenzymecalled polymerase.
See also
polymerase chain reaction
More examples
  • Thetechniqueuses theenzymeDNApolymerase tocopyselectedsequencesover a milliontimes.
  • ItinterruptsDNAsynthesisandfunctionbyinhibitingDNApolymerase andincorporatinginto theDNAorRNAof thecell.
  • TheyattackHBV polymerase, anenzymeessentialto thereproductionof thehepatitisBvirusinside aninfectedcell.
(Definition ofpolymerasefrom theCambridge Advanced Learner's Dictionary & Thesaurus© Cambridge University Press)

Examplesofpolymerase

polymerase
An attempt to unify the structure of polymerases.
From theCambridge English Corpus
Thus, we have to assume convergent evolution for the two types of polymerases.
From theCambridge English Corpus
Ifpolymerase-induced mutations are predominant, their distribution is a priori expected to be largely uniform across the amplicon.
From theCambridge English Corpus
An alternative strategy has been to use thepolymerasecomplex isolated from virusinfected cells to screen for antiviral compounds.
From theCambridge English Corpus
Currently, nucleic acid synthesis 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 active site of thepolymeraseis located at the base of the two pincers.
From theCambridge English Corpus
Nevertheless, the question remains of how such a thing could have developed in the absence of evolved 'tools ', such as polymerases.
From theCambridge English Corpus
The physical interaction that exists between thepolymeraseand its sliding clamp comprises the basis for the coupling of the polymerase to the sliding clamp.
From theCambridge English Corpus
The problem with these polymerases was that they were very sensitive to temperature and easily deactivated.
From theCambridge English Corpus
This hybridization initiates reconstruction by thepolymeraseof a single strand complementary to the unknown sequence (a).
From theCambridge English Corpus
Possibly thepolymerasepauses during the replication when the nucleotide to be incorporated is at low concentration in the reaction mixture.
From theCambridge English Corpus
A rapidpolymerasechain reactionbased assay characterizing rhizosphere populations of 2,4diacetylphloroglucinol-producing bacteria.
From theCambridge English Corpus
At each intergenic region, between 5 and 10% of thepolymerasemolecules detach from the template.
From theCambridge English Corpus
This suggests that specific cytoskeleton proteins are utilised by these different virus polymerases.
From theCambridge English Corpus
Following isolation, we usedpolymerasechain reaction in order to generate strain specific banding profiles of legionella isolates.
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.
#https://dictionary.cambridge.org//dictionary/english/polymerase##
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更新时间：2024/12/27 9:21:08