객관식
Which of the following is not a cell cell junction?
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18. Cell Junctions and Tissues
Cell-Cell Junctions
객관식
In animal tissues, what is the primary function of cell-cell junctions?
A
They replicate nuclear DNA during S phase of the cell cycle.
B
They synthesize ATP through oxidative phosphorylation in the inner mitochondrial membrane.
C
They connect adjacent cells to provide mechanical adhesion, barrier functions, and/or intercellular communication.
D
They generate secretory proteins by translating mRNA on free cytosolic ribosomes.
검증된 단계별 안내1
Identify the role of cell-cell junctions in animal tissues by considering their structural and functional characteristics.
Recall that cell-cell junctions are specialized structures that connect adjacent cells, enabling them to adhere tightly to each other.
Understand that these junctions provide mechanical adhesion, which helps maintain the integrity and shape of tissues under stress.
Recognize that cell-cell junctions also create barriers that regulate the passage of substances between cells, contributing to selective permeability.
Note that some junctions facilitate intercellular communication, allowing cells to coordinate activities through direct signaling pathways.
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