Type of transport that enables a cell to acquire bulk quantities of specific substances.Group of answer choicesphagocytosisautophagyplasmolysisfacilitated diffusionendocytosisexocytosisreceptor-mediated endocytosispinocytosis
Question
Type of transport that enables a cell to acquire bulk quantities of specific substances.Group of answer choicesphagocytosisautophagyplasmolysisfacilitated diffusionendocytosisexocytosisreceptor-mediated endocytosispinocytosis
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 proteins on the cell surface bind to specific substances that the cell needs. These substances could be nutrients, hormones, or other molecules.
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Once the substances are bound to the receptors, the cell membrane folds inward, creating a pocket around the substances.
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This pocket then pinches off from the cell membrane, forming a vesicle inside the cell. This vesicle contains the substances that were bound to the receptors.
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The vesicle then transports the substances to where they are needed in the cell.
This process is highly specific and allows the cell to acquire large amounts of a specific substance, even if that substance is not very concentrated in the surrounding environment.
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