抗终止蛋白质
参考答案:
能够使RNA聚合酶通过一定的终止位点的蛋白质。
如图所示电路中,电源电压不变,闭合开关后,电压表V1的示数为9伏,电压表V2的示数为3.8伏,则灯L1两端的电压为 _________ V,则灯L2两端的电压为_________V,则电源的电压为_________V.
The photographer needs to charge up the digital camera every day as the battery _____ quickly. [ ]
A. shuts up
B. ends up
C. runs out
D. turns out