25. You have inserted the gene for human growth factor into the E. coli lactose operon, replacing the structural genes with the gene for human growth factor. What substance must you add to your culture of bacteria to cause them to produce human growth factor for you?
(A) human growth factor
(B) transcription factors
(C) operator protein
(D) allolactose
(E) repressor protein
答案:登入後查看
統計: 尚無統計資料
統計: 尚無統計資料