Channels in the cell membrane are formed by:
A) sodium ions.
B) potassium ions.
C) protein molecules.
D) lipids.
Correct Answer:
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Q31: At rest, the concentrations of _ are
Q32: Resting potential is a store of potential
Q33: The resting potential of the inside of
Q34: The neuronal membrane is:
A)fully permeable.
B)permeable only to
Q35: The basis of electrical activity in nerves
Q37: Large protein anions are:
A)manufactured by glial cells.
B)manufactured
Q38: There are approximately _ as many K+
Q39: Which of the following is NOT involved
Q40: The sodium-potassium pump _ exchanges three _
Q41: Voltage-sensitive sodium channels are active:
A)whenever the cell
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