The difference in concentration of a specific chemical,like Na+,on the inside and outside of a plasma is referred as a(n)
A)electrochemical potential.
B)membrane potential.
C)electrical gradient.
D)concentration gradient.
E)biological capacitance.

Question

Quizplus · Accepted Answer

The difference in concentration of a specific chemical, such as Na+, on the inside and outside of a plasma membrane is referred to as a concentration gradient. This gradient drives the passive diffusion of the chemical across the membrane.

The Difference in Concentration of a Specific Chemical,like Na+,on the Inside