1
What is the range of electrical potential in living cells Generally?
From – 60 mv to – 90 mv, depending on the cell type.
2
What is the range of resting membrane potential in nerve and muscle cells?
– 65 mv to – 90 mv.
3
Enumerate the mechanisms that contribute to membrane potential.
- Selective permeability of the membrane as the cause of membrane potential
- Electrogenic pump as the cause of membrane potential
- Presence of anions as the cause of membrane potential
4
How much is Na+ outside cell membrane?
145 mEq/L
5
How much is K+ inside cell membrane?
150 mEq/L, or 126milimol per liter
6
How much is K+ outside cell membrane?
4 milimol per liter
7
What are the impermeable anions inside the cell
proteins, phosphates and sulfates