Multiple Choice
Which of the following cell-cell junctions forms a seal between cells that prevents leakage?
18. Cell Junctions and Tissues
Cell-Cell Junctions
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Join thousands of students who trust us to help them ace their exams!Watch the first videoMultiple Choice
Which of the following is not a cell cell junction?
A
Adherens junctions
B
Tight junctions
C
Gap junctions
D
Loose Junctions
Verified step by step guidance1
Understand the concept of cell junctions: Cell junctions are structures that connect cells to one another, allowing them to communicate and adhere to each other. They play crucial roles in maintaining the structure and function of tissues.
Identify the types of cell junctions: The main types of cell junctions include adherens junctions, tight junctions, and gap junctions. Each type has a specific function and structure.
Adherens junctions: These junctions connect the actin cytoskeleton of one cell to that of another, providing mechanical stability and maintaining tissue integrity.
Tight junctions: These junctions create a seal between adjacent cells, preventing the passage of molecules and ions through the space between cells, thus maintaining the selective permeability of epithelial layers.
Gap junctions: These junctions allow direct communication between cells by permitting the passage of ions and small molecules, facilitating coordinated cellular activities.
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