生物工程或称生物技术是一门综合性的应用科学,是近年来的新兴学科,主要由基因工程、酶工程、微生物工程和细胞工程四方面的内容所组成。研究生物工程的目的,在于改造生物及其机能、培育新的生物品种并通过微生物发酵或生物反应过程 Bioengineering or biotechnology is a comprehensive application of science, is a new discipline in recent years, mainly by the genetic engineering, enzyme engineering, microbial engineering and cell engineering in four areas. The purpose of research bioengineering is to transform organisms and their functions, develop new biological species and pass microbial fermentation or biological reaction processes