Definition Polymerase chain reaction (PCR) is used to isolate and amplify in an exponential fashion a DNA sequence of interest. mRNA is isolated from a cellular or tissue source, a cDNA copy is made by reverse transcriptase, and the DNA found between a 3′ and a 5′ nucleotide single ...
解析 答:聚合酶链反应(Polymerase Chain Reaction ,PCR)是体外酶促合成、扩增特异DNA片段地一种方法,该方法可以使目地DNA在特定地条件下几个小时内扩增千百万倍.由于它具有特异、敏感、产率高、 快速、 简便、重复性好、易自动化等突出优点已经成为近十几年发展和普及最迅速地分子生物学新技术之一....
polymerase chain reaction(PCR)汇总 PCR Presentedby:RanaAL-Turki 1-DefinitionofPCR.2-RequirementsforPCR.3-PCRProcess.4-Procedure.DefinitionofPCR Polymerasechainreaction(PCR)enablesresearcherstoproducemillionsofcopiesofaspecificDNAsequenceinapproximatelytwohours.PrincipleofthePCR Thepurposeofa(PCR)istomakeahuge...
Define polymerase chain reaction. polymerase chain reaction synonyms, polymerase chain reaction pronunciation, polymerase chain reaction translation, English dictionary definition of polymerase chain reaction. n. Abbr. PCR A technique for amplifying DNA
The meaning of POLYMERASE CHAIN REACTION is an in vitro technique for rapidly synthesizing large quantities of a given DNA segment that involves separating the DNA into its two complementary strands, using DNA polymerase to synthesize two-stranded DNA fr
Learn about polymerase chain reaction reagents, including the enzyme. Review the function of the primers and what PCR buffers are used. Understand...
Define polymerase chain reactions. polymerase chain reactions synonyms, polymerase chain reactions pronunciation, polymerase chain reactions translation, English dictionary definition of polymerase chain reactions. n. Abbr. PCR A technique for amplifying
解析 PCR:聚合酶链式反应,是一种体外特异性扩增已知基因的方法,应用这一技术可以将微量目的DNA片段进行指数级扩增。主要包括变性、退火、延伸三个步骤循环进行。 结果一 题目 【题目】名词解释PCR(polymerase chain reaction) 答案 【解析】PCR:聚合酶链式反应,是一种体外特异性扩增已知基因的方法,应用这一技术可以将...
PCR-Polymerase Chain Reaction(聚合酶链式反应) PCR 是一种实验室常用技术之一,可快速产生(扩增)数百万至数十亿个特定 DNA 片段的拷贝,然后可以对其进行更详细的研究。 PCR 使用称为引物的短合成 DNA 片段来选择要扩增的基因组片段,然后进行多轮 DNA 合成来扩增该片段。 具体操作步骤如下(以利用PCR技术进行定点突...
1、聚合酶链式反应聚合酶链式反应 Polymerase Chain Reaction (PCR)实验三实验三实验原理实验原理 PCR技术类似于DNA的天然复制过程,其特异性依赖于与靶序列两端互补的寡核苷酸引物。PCR由变性-退火-延伸三个基本反应步骤构成:模板DNA的变性:模板DNA经加热至93左右一定时间后,使模板DNA双链或经PCR扩增形成的双链DNA解离...