Collagens are the most abundant component of the extracellular matrix. In order to maintain normal physiological processes like wound healing, bone development, etc., which one of the following type of […]
Tag: Cell-Cell Communication
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Cell-Cell Communication
Understanding Collagen Structure: Clarifying the Composition of Its Triple Helix
39. Collagen is the most prevalent extracellular matrix protein. Which of the following is NOT true for collagen? (1) Collagen is composed of triple helix consisting of two α polypeptide […]
Cell-Cell Communication
Impact of Connexin Inhibition on Intercellular Protein Movement via Gap Junctions
38. A researcher was studying a protein ‘X’ which has been observed to move across cells when an extracellular electrical stimulus is provided. An artificial peptide ‘P’ was prepared which […]
Cell-Cell Communication
Key Differences Between Cadherins and Integrins in Cell Adhesion
Physical attachment of cells in a tissue or organ is mediated by different types of junctions, one of which is anchoring junctions. This includes both cell-cell adhesions and cell-extracellular matrix […]
Cell-Cell Communication
Understanding Cell Junctions: Correct and Incorrect Characteristics of Tight Junctions, Desmosomes, Gap Junctions, and Hemidesmosomes
Junctions which tether cytoskeletal filaments inside the cell are known as (1) anchoring junctions (2) occluding junctions (3) channel forming junction (4) signal – relay junction correct answer is: (1) […]
Cell-Cell Communication
Cell Junctions: Identifying Common Misconceptions in Cell Adhesion and Communication
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 […]
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 […]
