When substances move across a plasma membrane and down concentration gradients, this is called
A) pinocytosis.
B) active transport.
C) passive transport.
D) exocytosis.
Correct Answer:
Verified
Q32: What is active transport?
A) Movement of molecules
Q33: Cell membranes do all of the following
Q34: All of the following may influence the
Q35: Which of the following occurs as an
Q36: Recognition proteins, such as those embedded on
Q38: Molecules that permeate a plasma membrane by
Q39: Which of the following would NOT be
Q40: The net movement of molecules from a
Q41: Active transport requires all of the following
Q42: The diffusion of water molecules across a
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