Ions diffuse across membranes down their
A)
chemical gradients.
B)
concentration gradients.
C)
electrical gradients.
D)
electrochemical gradients.
E)
A and B are correct.
Answer: D
Ions diffuse across membranes down their
A)
chemical gradients.
B)
concentration gradients.
C)
electrical gradients.
D)
electrochemical gradients.
E)
A and B are correct.
Answer: D