Traditional methods of genetic improvement such as classical mutagenesis and conjugation can be applied to improve the quality of microbial cultures.
遗传改良的传统方法，如传统诱变和接合作用可用于提高微生物培养物的质量。
2
Exam content is basic about the same, of biochemistry, element, genetic, microbial and so on, ferment study maths even, see the way that you choose.
考试内容基本都差不多的，生物化学、分子、遗传、微生物之类的，发酵还要考数学，看你选择的方向了。
3
For microbial strain with simple genetic background, outer space conditions can make microorganism change into a new type, which is valuable for space breeding research.