无需PCR扩增即可识10μl血液中镰刀状细胞贫血病人株蛋白基因的点突变,具有足够敏感性的是()
A.SSCP
B.DNA印迹
C.LCR
D.RFLP
E.FISH
参考答案:C
The manager was worried about the press conference his assistant ________ in his place but,luckily, everything was going on smoothly.[ ]
A.gave
B.gives
C.was giving
D.had given
A.5A
B.5A
C.5/2A
D./2A