检测蛋白质表达水平的技术是()
A.Southern印迹
B.Northern印迹
C.聚合配链反应
D.Western印迹
E.RT-PCR反应
参考答案:D
You cannot imagine what great trouble I took ______ your house.
A.to find
B.finding
C.found
D.having found
下列属于酸性染料的是()
A.亚甲蓝
B.天青
C.硫堇
D.伊红
E.苏木精