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

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

4.1 Introduction 4.2 Conventional protein sources 4.3 Single cell protein 4.4 Substrates for SCP production 4.5 Micro-organisms for SCP production

Biocatalysts in organic chemical synthesis 2.1 Introduction 2.2 Micro-organisms as catalysts of organic synthesis 2.3 Enzyme preparations versus whole cell processes 2.4 Scale of production 2.5 Modes of operation of bioprocesses 2.6 Biotechnological processes verses chemical synthetic processes

一、蛋白质的酶促降解 二、氨基酸的分解代谢 三、氨基酸的合成代谢 四、蛋白质的合成代谢