X, Y, Z are three ions permeable through cell membrane X = –50 and Y = –30. If at RMP, when there is no net electrogenic transfer. What is the value of Z?
A
–130
B
10
C
80
D
–50
High-Yield Explanation
At RMP, X + Y + Z = 0
X = –50, Y = –30 , So Z must be +80