20. Which one of the following is NOT an extracellular matrix protein? (1) Keratin (2) Laminin (3) Collagen (4) Vitronectin The correct answer is (1) Keratin, which is NOT […]
Tag: Cell-Cell Communication
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Cell-Cell Communication
Which Is Not an Extracellular Matrix Protein? Cyclin vs. Fibronectin, Vitronectin, and Laminin
Which one of the following is NOT an extracellular matrix protein? (1) Fibronectin (2) Vitronectin (3) Laminin (4) Cyclin The correct answer is (4) Cyclin, which is NOT an extracellular […]
Cell-Cell Communication
Cadherin: The Key Molecule in Calcium-Dependent Cell-Cell Adhesion
18. Which of the following molecules is involved in Ca2+ – dependent cell-cell adhesion? (1) Calmodulin (2) Cadherin (3) N-CAM (4) Calpain The molecule involved in Ca2+-dependent cell-cell adhesion […]
Cell-Cell Communication
Integrin Binding Partners: Linking ECM Macromolecules to the Cytoskeleton
Integrin molecule link extracellular matrix (ECM) to the actin cytoskeleton of cell. Integrin binds to which of the following ECM macromolecules? (1) Laminin (2) Collagen (3) Fibronectin (4) Vitronectin Integrins […]
Cell-Cell Communication
What Is an Intracellular Anchor Protein? Vinculin’s Essential Role in Cell Adhesion
Which of the following is an intracellular anchor protein? (1) Vitronectin (2) Integrin (3) Vinculin (4) Elastin The correct answer is (3) Vinculin, which is an intracellular anchor protein. Vinculin […]
Cell-Cell Communication
Precisely Matching Cellular and Extracellular Proteins to Their Characteristics
15. Some cellular and extracellular proteins are enlisted in List I and their typical characteristics are enlisted in List ll Which one of the following is the most appropriate match? […]
Cell-Cell Communication
Extracellular Matrix Proteins and Their Functions: The Most Accurate Matching
14. Given below are a list of some extracellular matrix (ECM) proteins in column A and their characteristics in column B, but not in correct order: Which one of […]
Cell-Cell Communication
Extracellular Matrix Proteins vs. Cell Adhesion Molecules: Why Cadherin Is Not an ECM Component
Which one of the following proteins is NOT related to extracellular matrix? (1) Cadherin (2) Vitronectin (3) Lamin (4) Selectin Introduction: The Extracellular Matrix Defined The extracellular matrix (ECM) is […]
Cell-Cell Communication
Fibronectin: Structure, Isoforms, and the Most Common Misconception
The extracellular matrix contains a number of non- collagen proteins that typically have multiple domains, each with specific binding sites for other matrix molecules and cell surface receptors. These proteins […]
Cell-Cell Communication
Which is Not a Cell Adhesion Protein? Cadherin, Selectin, Ig Superfamily, and Laminin Explained
Which of the following is NOT a cell adhesion protein? Question (1) Cadherin (2) Selectin (3) Immunoglobulin (lg) superfamily (4) Laminin Introduction: What Are Cell Adhesion Proteins? Cell adhesion proteins, […]
