第一节 等径球的密堆积 第二节 不等径球的密堆积 第三节 分子的堆积 第四节 密堆积与同质多象

气体分子的方均根速=B=

§12.1 分子运动的基本概念 §12.2 气体分子的热运动 §12.3 统计规律的特征 §12.4 理想气体的压强公式

细胞是组成生物体的基机构单元 ,是生物体进行代谢、能量转换 遗传以及其它生理活动的基本场所

一、 遗传工程概述 二、 染色体工程 三、 细胞工程 四、 基因工程 五、基因组学

第二章细胞基本知识概要 一、细胞的基本概念 二、非细胞形态的生命体 三、病毒及其与细胞的关系 四、原核细胞与真核细胞

2.1 Introduction We can think about mapping genes and genomes at several levels of resolution: A genetic (or linkage) map identifies the distance between mutations in terms of recombination frequencies. A linkage map can also be constructed by measuring recombination between sites in genomic DNA

分子生物学 Molecular Biology Zhao WANG (王钊), M.D./Pharm.D. School of Life Science Tsinghua University

29.1 Introduction 29.2 Fly development uses a cascade of transcription factors 29.3 A gradient must be converted into discrete compartments 29.4 Maternal gene products establish gradients in early embryogenesis 29.5 Anterior development uses localized gene regulators

11.1 Introduction 11.2 Lytic development is divided into two periods 11.3 Lytic development is controlled by a cascade 11.4 Functional clustering in phages T7 and T4 11.5 Lambda immediate early and delayed genes are needed for both lysogeny and the lytic cycle