Multiple Choice
Active transport is uniquely characterized by:
A) transport of hydrophobic molecules.
B) transport of hydrophilic molecules.
C) transport of a molecule or ion across a membrane, with the species going from a greater concentration to a lesser concentration.
D) the tight coupling of an input of energy to drive a thermodynamically unfavorable reaction.
E) absolute requirement for ATP hydrolysis, and light energy or ion gradient energy will not work.
Correct Answer:

Verified
Correct Answer:
Verified
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