In a tissue, cells are bound together by physical attachment between cell to cell or between cell to the extracellular matrix. The following are some of the characteristics of cell […]
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Cell-Cell Communication
Understanding Cell Junctions: Correcting Misconceptions About Adherens Junctions and Desmosomes
In a tissue,cells are bound together by physical attatchment between cell to cell oe between cell to extra cellular matrix. Following are some of the characterstics of cell junctions: (A) […]
Cell-Cell Communication
Clarifying Cell Junction Functions: The Role and Misconceptions About Hemidesmosomes
Physical attachment between cell to cell or between cells to extracellular matrix imparts rigidity to a tissue. Which of the following characteristic is NOT true for cell junction? (1) Desmosomes […]
Cell-Cell Communication
Clarifying Misconceptions About Immunoglobulin Superfamily Proteins in Cell Adhesion
There are many superfamilies of adhesion proteins, which play a central role in cell-cell adhesion in animal. lg superfamily proteins are one such adhesion proteins. Which one of the following […]
Cell-Cell Communication
Understanding Cell-Cell Adhesion Proteins: Correcting Common Misconceptions
31. Which one of the following statements about cell-cell interactions is NOT true? A. Cadherins are transmembrane linker proteins which carry out Ca2+-mediated adhesion between adjacent cells. B. Integrins are […]
Cell-Cell Communication
Key Extracellular Matrix Proteins and Their Functional Roles Explained
Following are a list of extracellular matrix proteins (Column A) along with their functional characteristics (Column B): Which one of the following is the correct match? (1) A- i; B-iv; […]
Cell-Cell Communication
Animal Cell-Cell Adhesion Protein Families and Their Functional Characteristics
29. In animals, four separates families of cell — cell adhesion proteins are listed in Column A and their functional characteristics are given in Column B Which one of the […]
Cell-Cell Communication
Plasmodesmata: The Essential Communicating Junctions in Plants
Which one of the following is the communicating junction linking adjacent cells in plants, which permits small molecules to pass from cell to cell while blocking the passage of most […]
Cell-Cell Communication
Gap Junctions: Facilitating Rapid Cell-Cell Communication
Which one of the following permits the rapid diffusion of small, water-soluble molecules between the cytoplasm of adjacent cells? (1) Tight junctions (2) Anchoring junctions (3) Adherens junctions (4) Gap […]
Cell-Cell Communication
Cell Junctions in Animals: Functions and Types Explained
26. Physical attachment between cells and extracellular matrix is critical in both animals and plants because it imparts rigidity and strength to tissues and organs. However, junctions between cell-cell or […]
