[名词解释] nuclear protein (核蛋白)

nuclear expotr-signal,NES (核输出信号) nuclear localization signal, NLS (核定位信号) 蓄电池组的电源电压E为6V，将R1＝2.9Ω电阻接在它两端，测出电流I为2A，求它的内阻Ri为多大？ nuclear pore complexs,NPCs (核孔复合物) 下列属于存储设备的是（） ["A、CPU","B、硬盘","C、显示器","D、打印机"] nuclear protein (核蛋白)