What is one process by which dissolved chemicals from one area of the body to another?
A) Passive osmosis
B) Free flow
C) Passive elimination
D) Active transport
D
Feedback:
Active transport requires an energy source, a substance called adenosine triphosphate (ATP), to drive dissolved chemicals from an area of low concentration to an area of higher concentration—the opposite of passive diffusion. Options A, B, and C are incorrect.
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Fill in the blank(s) with the appropriate word(s).