Topics: Cell Review Quiz
Cells need to bring in molecules to carry out cellular processes. Often, this requires moving the molecules across the cell membrane against the concentration gradient. How do these molecules get into the cell?
A. passive transport by diffusion
B. active transport using ATP
C. passive transport by osmosis
D. osmosis
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The movement of particles from an area of high concentration to an area of low concentration
A. active transport
B. osmosis
C. diffusion
D. random movement