In recent years, modern biotechnology represented by genetic engineering, cell engineering, enzyme engineering, fermentation engineering has developed rapidly, and has increasingly influenced and changed people's production and lifestyle. The so-called biotechnology (Biotechnology) refers to "the use of living organisms (or biological substances) to improve products, improve plants and animals, or cultivate microorganisms for special purposes." Bioengineering is a general term for biotechnology, which refers to the combination of biochemistry, molecular biology, microbiology, genetics and other principles with biochemical engineering to transform or re-create the genetic material of the designed cell, to breed new varieties, to industrial Large-scale use of existing biological systems to manufacture industrial products in biochemical processes. In short, it is the process of industrializing living organisms, life systems, or life processes. Biological engineering includes genetic engineering, cell engineering, enzyme engineering, fermentation engineering, bioelectronic engineering, bioreactor, sterilization technology, and emerging protein engineering. Among them, genetic engineering is the core of modern biological engineering. Genetic engineering (or genetic engineering, gene recombination technology) is to cut and combine the genes of different organisms in vitro and connect it with the DNA of the vector (plasmid, bacteriophage, virus), and then transfer it into microorganisms or cells for cloning, and The transferred gene is expressed in cells or microorganisms to produce the required protein. More than 60% of biotechnological achievements are concentrated in the pharmaceutical industry to develop characteristic new drugs or improve traditional medicine, which has caused major changes in the pharmaceutical industry and the rapid development of biopharmaceuticals.
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