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Process by which molecules tend to move from an area where they are more concentrated to an area where they are less concentrated.
Describes a solution whose solute concentration is lower than the solute concentration inside a cell.
The transport of substances through a cell membrane along a concentration gradient with the aid of carrier proteins.
A type of endocytosis in which the cell ingests extracellular fluid and its dissolved solutes.
The process by which a cell engulfs large particles or whole cells, either as a defense mechanism or as a means to obtain food.
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