Where ____________ the keys? [ ] A. is B 发布时间:2017-04-23 13:17 │ 来源:www.tikuol.com 题型:选择题 问题: Where ____________ the keys? [ ]A. isB. amC. are
题型:选择题 某DNA双链,其中一条的碱基序列是 5'-AACGTTACGTCC-3',另一条应为A.5'-TTGCAATGCAGG-3'B.5'-GGACGTAACGTT-3'C.5'-AACGTTACGTTC-3'D.5'-AACGUUACGUCC-3'E.5'-UUCGAAUCGACC-3' 查看答案