Multiple Choice
Facilitated diffusion
A) can be an active or passive process.
B) can be via transmembrane protein channels or carriers.
C) is usually against electrochemical gradients.
D) is always against the concentration gradient.
E) is generally faster via carrier than channel.
Correct Answer:
Verified
Correct Answer:
Verified
Q30: Cells are able to control the composition
Q31: When a plant cell is placed in
Q32: The principal difference between transmembrane carriers and
Q33: The features of molecules that affect their
Q34: Which of the following statements about transmembrane
Q36: A plant cell placed in a solution
Q37: The phospholipid bilayer of membranes is highly
Q38: Animal cells take up cholesterol via<br>A) specific
Q39: Which of the following is NOT a
Q40: If a red blood cell is placed