—____ is good at swimming in your class?
—Kate. [ ]
A.Which
B. What
C. Who
D. Whose
答案:C
BamH Ⅰ的识别位点是5’-GGATCC-3’,切割位点在第一个G的右侧,Sav3A工的识别序列是5’-GATC-3’,在G的左侧切割,
该连接的杂合位点可被以上两种酶切割吗?
42U的机柜高度为()。
A.1.2米
B.2.0米
C.1.4米
D.1.6米