ADNA的体外重组(切、接) B重组DNA分子的转化和扩增(转、增) C转化子的筛选和鉴定(检)

第一节 核酸的化学组成及其一级结构 The Chemical Component and Primary Structure of Nucleic Acid 第二节 DNA的空间结构与功能 Dimensional Structure and Function of DNA 第三节 RNA的结构与功能 Structure and Function of RNA 第四节 核酸的理化性质 The Physical and ChemicalCharacters of Nucleic Acid 第五节 核酸酶 Nuclease

《生物化学实验》课程教学资源（讲义）实验五 小牛胸腺DNA的制备、实验六 小牛胸腺DNA熔解温度的测量

1.A Nucleic Acid Consists of Four Kinds of Bases Linked to a Sugar-Phosphate Backbone 2.A Pair of Nucleic Acid Chains with Complementary Sequences Can Form a Double￾Helical Structure 3.DNA Is Replicated by Polymerases That Take Instructions from Templates

A重组DNA技术的理论基础 B基因的分子生物学 C基因工程的基本原理 D基因工程的支撑技术

once oncu n a paiuicuia positon on DNA, a nucleosome remained fixed in place because of the tight association 30-nm 98A5 sequence-specific DNA-binding proteins nucleosome

Chapter 7 Microbial Genetics Plasmids Circular genetic elements that reproduce autonomously and have an extra-chromosomal existence 1-1000 KB in size Typical plasmid 1/20 of chromosome Most are circular double-stranded DNA. some linear ds dna Transmitted from cell to cell via

Chapter 7 Microbial Genetics Plasmids Circular genetic elements that reproduce autonomously and have an extra chromosomal existence 1-1000 KB in size Most are circular double stranded dna. some linear ds DNA

上海交通大学：《生命科学实验探索》教学资源（PPT课件）06 DNA指纹图谱 DNA Fingerprinting

基于阿德福韦(Adefovir dipivoxil)与安慰剂治疗180余位HBeAg阴性的慢性乙型肝炎(CHB)患者国际联合研究的临床数据,以及Nowak等人提出的不带效应细胞的乙肝病毒(HBV)感染模型,提出了一个由两个系统组成的数学模型,模型对CHB患者的阿德福韦治疗效果提供了一种可能的解释,特别是可以解释为什么患者血浆中病毒数目在停止免疫治疗后会迅速反弹.该模型对长期的疗效做出预测:血清HBV DNA接近中位数的患者需要延长治疗时间到5.6a,以清除CHB患者体内的HBV.本研究提示:将血清DNA小于500copies·mL-1作为评价疗效的标准过于粗糙