Lecture 2 1.5 The Historical Roots of Microbiology 1.6 Microbial Diversity and the Advent ofMolecular Microbiology 2.1 Elements of Cell and Viral Structure 2.2 Arrangement of DNA in Microbial Cells 2.3 The Tree of Life

Modified atmosphere packaging (MAP) may be defined as ‘the enclosure of food products in gas-barrier materials, in which the gaseous environment has been changed’ (Young et al, 1988). Because of its substantial shelf-life extending effect, MAP has been one of the most significant and innovative growth areas in retail food packaging over the past two decades. The potential advantages and disadvantages of MAP have been presented by both Farber (1991) and Parry (1993), and summarised by Davies (1995) in Table 16.1

5.1 Introduction 5.2 Transfer RNA is the adapter 5.3 Messenger RNA is translated by ribosomes 5.4 The life cycle of bacterial messenger RNA 5.5 Translation of eukaryotic mRNA 5.6 The 5 end of eukaryotic mRNA is capped 5.7 The 3 terminus is polyadenylated 5.8 Bacterial mRNA degradation involves multiple enzymes

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

Direction : In this part you are going to hear a passage about how one can achieve success. Listen carefully and fill in the blankswith the missing words. No one sets out in life to fail. The reality is that many do. Why do some prosper while others struggle just to exist? There is no simple answer to that question but here are a few thoughts that might shed some light onto this very complex issue

Part I Warming Up A Words and Phrases You are going to hear some important dates in email history. Supply the missing dates and words Great Dates in Email History Date: ________________________ Leonard Kleinrock, a UCLA computer science professor, sends the ___________________to a colleague

讨论（一） 1。你认为神经系统的构成有什么原则？ 2。小脑皮层的结构和功能？ 3。比较小脑皮层、大脑皮层的结构有何特点，和功能有何相关？

Wang Xiaochuan Children’s Hospital Immunocompromised Host Individual who has one or more defects in the body’s natural defense mechanisms which are sufficiently severe to predispose the host to life￾threatening infection Primary - PID, damage to anatomical barriers Secondary - infection, tumor, drug, others Physiology- Infants, aged

1.Historical background material 2.Winston Churchill’s life career 3.Questions on content 4.Figures of speech 5.Organization of the text

Being exposed to the risk of criminal victimization or actually being a victim of crime is a common feature of life for most people in most countries throughout the world. Concern about risk and the effects of crime are reflected in various national legal provisions and, at an international level, in the Declaration of Basic Principles of Justice