Type of transport that enables a cell to acquire bulk quantities of specific substances.Group of answer choicesreceptor-mediated endocytosisautophagyphagocytosisplasmolysisfacilitated diffusionendocytosisexocytosispinocytosis
Question
Type of transport that enables a cell to acquire bulk quantities of specific substances.Group of answer choicesreceptor-mediated endocytosisautophagyphagocytosisplasmolysisfacilitated diffusionendocytosisexocytosispinocytosis
Solution
The type of transport that enables a cell to acquire bulk quantities of specific substances is receptor-mediated endocytosis.
Here's a step-by-step explanation:
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Receptor-mediated endocytosis is a process by which cells absorb metabolites, hormones, proteins – and in some cases, viruses – by the inward budding of the plasma membrane (invagination).
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These substances bind to specific receptors on the surface of the cell.
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Once the substance is bound to the receptor, it triggers the cell to ingest the substance through endocytosis.
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The plasma membrane invaginates and forms a vesicle, which is then brought into the cell.
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The vesicle and its contents are then processed accordingly within the cell.
This process allows the cell to acquire bulk quantities of specific substances, even if those substances are not very concentrated in the extracellular fluid.
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