Effect of environmental factors on growth Water availability, pH, temperature, oxygen concentration, pressure, radiation, and a number of other environmental factors influence microbial growth. Yet many microorganisms, and particularly bacteria, have managed to adapt and flourish under environmental extremes that would destroy most organisms

Microbial growth Conditions 1. Macronutrients 2. Micronutrients 3. Growth factors 4. Environmental factors: temperature; pH; Oxygen et al Nutrient requirements Microorganisms require a bout ten elements in large quantities, bec

Control of microorganisms by physical and chemical agents frequently used terms Sterilization: the process by which all living cells, viable spores, virus, and viroids are either destroyed or removed from an object or habitat

1. Differences between prokaryotes/eukaryotes 2. Shape and arrangement 3. Procaryoic cell organization

多底物酶占所有酶的一半以上。见下表:表酶反应按底物数的分类

第一节 直线回归 第二节 直线相关 *第三节 曲线回归

第一节 统计量与分布 第二节 适合性检验 第三节 独立性检验

Chapter outline 1.1 What is a microbe? 1.2 The importance of Microbiology 1.3 Microbes in our lives 1.4 The history of microbiology 1.5 Important events in the development of microbiology

第一节 资料的分类 第二节 资料的整理 第三节 常用统计表与统计图

生物统计学：《生物统计附试验设计》课程教材（第三版）目录