知识贝壳
知识贝壳
所属栏目：英汉烟草科技
Tobacco has been on the forefront of plants modified by genetic engineering,being the first plant used to express an engineered foreign gene.These first transformations of tobacco involved the use of Agrobacteriumtumefaciens as a vector. Since that time,s ......（本文共 2203 字 ） [阅读本文] >>