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

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

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

第一节 符号检验 第二节 秩和检验 第三节 等级相关分析

Algae: Phototrophic eukaryotic microorganisms Fungi: Nonphotosynthetic eukaryotic microorganisms that contain rigid cell walls Slime molds: nonphototrophic eukaryotic microorganisms that lack cell walls and that aggregate to form fruiting structures (cellular slime molds) or masses of protoplasm (acellular slime molds) Protozoa: unicellular eukaryotic microorganisms