Ion channels in cell membranes
A) Are nonspecific
B) May open in response to a change in potential difference across the membrane
C) May open in response to binding a ligand
D) Both are nonspecific and may open in response to a change in potential difference across the membrane are correct
E) Both may open in response to a change in potential difference across the membrane and may open in response to binding a ligand are correct
Correct Answer:
Verified
Q3: The permeability of the plasma membrane to
Q4: Which of the following would decrease the
Q5: Mediated transport across cell membranes
A)Refers to the
Q6: Diffusion
A)Depends upon the random motion of molecules
B)Results
Q7: Which form of membrane transport is being
Q9: The mediated transport of a substance across
Q10: Carrier-mediated transport
A)Involves a specific membrane protein that
Q11: When a solute,X,is placed in compartment A
Q12: The net flux of a penetrating solute
Q13: If it takes solute A 1 second
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