Examlex
The Mongol Empire was the largest empire in history.
Active Transport
The movement of molecules across a cell membrane from a region of lower concentration to one of higher concentration, using energy usually in the form of ATP.
Plasma Membrane
The lipid bilayer membrane that surrounds a cell, controlling the movement of substances in and out of the cell.
Diffuses
The process by which molecules move from an area of higher concentration to an area of lower concentration, a fundamental mechanism in both biological and chemical phenomena.
Endocytosis
A cellular process where a cell engulfs solid particles or liquids into a pouch which then becomes a vesicle.
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