Multiple Choice
Amino acids enter cells against their concentration gradients by means of
A) simple diffusion.
B) facilitated diffusion.
C) primary active transport.
D) secondary active transport.
E) osmosis.
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q103: When a mouse cell and a human
Q104: In a hypothetical study, cells are placed
Q105: In biological membranes, the phospholipids are arranged
Q106: Channel proteins allow ions that would not
Q107: You are monitoring the diffusion of a
Q109: Which of the following processes does not
Q110: Which of the following statements about channel
Q111: Many cells have a sodium-potassium pump. In
Q112: Which statement about animal cell junctions is
Q113: The sodium-potassium pump (or Na<sup>+</sup>-K<sup>+ </sup>pump)<br>A) is