真核细胞的染色体由()、()和()组成。 DNA复制时需要()将DNA双链解开,靠()维持单链结构

一、基本概念 二、转录起始:RNA聚合酶、启动子 三、转录的基本过程 四、转录后加工 五、原核生物与真核生物mRNA的特征比较 六、RNA合成与DNA合成异同点

四、真核生物转录水平上的基因表达调控 五、真核基因转录后水平上的调控

Adult: the last stage of insects, ontogeny. 成虫昆虫个体发育中的最后一个虫态

植物细胞的周期和增殖，重点介绍植物细胞分裂的方式、细胞周期的调控以及细胞凋亡的概念及其生物学意义

植物在自然界的作用，地球上植物的产生，植物与植物生物学，以及如何学习植物生物学

Applications of AFM Biology and Biomaterials Applications of Atomic Force Microscopy for Contact Lens Manufacturing Applications for the Biological Sciences Direct Measurement of single Immunocomplex Formation by Atomic Force Microscopy

2.1 Overview of the structure of microbial cells 2.2 Procaryotic cell wall 2.3 Cytoplasmic membrane 2.4 Cellular genetic information 2.5 Cytoplasmic matrix- Ribosome and Inclusions 2.6 Components external to the cell wall 2.7 Bacterial endospores

Restriction enzymes are extensively used in molecular biology. Below are the recognition sites of two of these enzymes, BamHI and Bcll. a)BamHI, cleaves after the first G: 5'GGATCC 3 3 CCTAGG5 Does cleavage by BamHI result in a 5' or 3 overhang? What is the sequence of this overhang?

Introductory Biology-Fall 2004 Instructors: Professor Eric Lander, Professor Robert A. Weinberg, Dr. Claudette Gardel Your Name: