1. Please describe the main features of the DNA structure. (10 points) Key features: (1) Double helical structure (4’) (2) Two strands are held together in an antiparallel orientation (3’) by base paring (1’)

Describing the following terms (4 points each) 1. Cre recombinase 2. CSSR recombination 3. Mating-type switching 4. Mismatch repair 5. Polymerase switching 6. 30-nm fiber 7. Core histones

PART I: DESCRIPTION (2 points each) Your answer should describe what each item is and how it functions in the cell. Diagrams, structure and sequence information should be included in your answer, as necessary

Translation is the conversion of the information in the nucleic acid sequence to polypeptides of a specific amino acid sequence

一、转录反应和转录方向 二、摸板链（-）和编码链（+）p.166 三、转录步骤：起始,延伸,终止

聚合酶链式反应 连接酶链反应 RNA的体外扩增

转录 翻译

《医学分子生物学 Molecular Biology in Medicine》课程PPT教学课件：第二章 核酸和蛋白质的结构与功能 Structures &functions ofnucleic acid &protein

生物进化的证据 一、比较解剖学证据 二、胚胎学证据 三、细胞遗传学证据 四、生物地理学证据 五、生化与分子生物学证据

延安大学：《生物化学 Biochemistry》精品课程教学资源（教学大纲）生物化学与分子生物学 Biochemistry and Molecular Biology