Question

what is the reason for the difference in the charges on the outer and inner surface of plasma membrane?​

Answer 1

Answer:

The cell interior contains higher concentrations of K+ and negatively charged proteins and DNA molecules while the cell exterior is more enriched in Ca2+ and Na+. K+ ions leak out of the cell down this concentration gradient through potassium channels leading to a net negative charge in the interior of the cell.

Answer 2

The cell interior contains higher concentrations of K+ and negatively charged proteins and DNA molecules while the cell exterior is more enriched in Ca2+ and Na+.

K+ ions leak out of the cell down this concentration gradient through potassium channels leading to a net negative charge in the interior of the cell.