9.1 Introduction 9.2 The structure, roles and abundance of sterols and steroids 9.3 Selective degradation of the sterol side chain 9.4 Specific steroid interconversions and reactions 9.5 Transformation of other terpenoids

十、常用蛋白质分子量标准参照物

Contents How to use an open learning text Preface 1 An introduction to biotechnological innovations Industry G. Mijnbeek and C. K. Leach 2 Biocatalyst in organic chemical synthesis R O. Jenkins

True: Growing and dividing cells need to use substrate to provide energy and materials for growth, maintenance and product formation. In immobilised (non-growing) systems the energy and materials are only required for cell maintenance and product formation

Preface The BIOTOL series of texts are designed to provide a self-study resource concerning the principles, practices and applications of biotechnology. This text is designed to explain how biotechnology may be applied to solve problems encountered in the production and use of organic chemicals in a wide

8. 1 Introduction 8.2 Essential and nonessential amino acid Stereochemistry of amino acids 8. 4 Amino acid fermentation 8.5 Recovery of the amino acid from the fermentation broth

7.1 Introduction 7. 2 Origin and composition 7.3 Exopolysaccharide structure 7. 4 Medium composition for exopolysaccharide production

6.1 An introduction to antibiotics 6. 2 General strategies for the production of antibiotics 6.3 a brief history of penicillin production 6.4 Antibacterial mode of action of B-lactam antibiotics

一、实验目的 1. 学习胰蛋白酶的纯化及其结晶的基本方法。 2. 学习用紫外法测定酶活性，搞清酶活性与比活性的概念

一、实验目的 1. 了解凝胶层析的原理及其应用。 2. 通过测定蛋白质分子量的训练，初步掌握凝胶层析技术