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

第一节 嘌呤核苷酸的合成与分解代谢 Metabolism of Purine Nucleotides 第二节 嘧啶核苷酸的代谢 Metabolism of Pyrimidine Nucleotides

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

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

第一节 真核基因的结构与功能 第二节 真核基因组的结构与功能 The Structure and Function of Eukaryote Genome

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

第一节 基因诊断 Gene Diagnosis 第二节 基因治疗 Gene Therapy

第一节 癌基因 Oncogenes 第二节 肿瘤抑制基因 tumor suppressor gene 第三节 生长因子 Growth factors

第一节 生物转化作用 Biotransformation 第二节 胆汁与胆汁酸的代谢 Metabolism of Bile and Bile Acids 第三节 血红素的生物合成 Biosynthesis of Heme 第四节 胆色素的代谢与黄疸 Metabolism of Bile Pigment and Jaundice

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