Multiple Choice
In the context of endocytic pathways, what is the term for a cell engulfing a relatively large particle (e.g., a bacterium or cell debris) into an internal vesicle?
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13. Intracellular Protein Transport
Endocytic Pathways
Multiple Choice
In the context of endocytic pathways, phagocytosis is most characteristically performed by which type of cell?
A
Macrophage
B
Neuron
C
Intestinal epithelial cell (enterocyte)
D
Red blood cell (erythrocyte)
Verified step by step guidance1
Understand the process of phagocytosis: it is a type of endocytosis where cells engulf large particles, such as pathogens or debris, to break them down internally.
Identify the cell types listed and their primary functions: neurons transmit nerve signals, intestinal epithelial cells absorb nutrients, red blood cells transport oxygen, and macrophages are immune cells involved in engulfing pathogens.
Recall that phagocytosis is a key function of immune cells that protect the body by ingesting harmful particles, which is a hallmark of macrophages.
Eliminate cell types that do not perform phagocytosis as their main function: neurons, intestinal epithelial cells, and red blood cells do not typically engulf large particles.
Conclude that macrophages are the cells most characteristically performing phagocytosis in the endocytic pathway.
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