Extracellular Matrix Composition and Functions

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Questions and Answers

Which of the following is NOT a component of the extracellular matrix (ECM) mentioned in the text?

Actin filaments (correct)
Glycosaminoglycans (GAGs)
Proteoglycans
Glycoproteins

How does the extracellular matrix (ECM) affect the metabolic activities of cells?

It has no effect on metabolic activities
It alters the metabolic activities of cells (correct)
It inhibits all metabolic activities
It activates specific metabolic pathways

What role does the extracellular matrix (ECM) play in the interaction of cells with other cells?

It prevents cell-cell interactions
It promotes cell-cell interactions (correct)
It has no role in cell-cell interactions
It disrupts cell-cell interactions

In what way does the ECM provide support against forces?

<p>Against both compressive and tensile forces (B)</p> Signup and view all the answers

Study Notes

Extracellular Matrix (ECM)

ECM consists of various components, but NOT a specific one mentioned in the text (yet to be identified)
ECM affects the metabolic activities of cells by influencing their behavior, differentiation, and survival
ECM plays a crucial role in the interaction of cells with other cells, facilitating cell signaling, adhesion, and communication
ECM provides support against forces by acting as a mechanical barrier, resisting compression, tension, and shear stress, and maintaining tissue structure and organization

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Description

This quiz covers the composition and functions of the extracellular matrix (ECM), including the amorphous ground substance containing glycosaminoglycans (GAGs), proteoglycans, and glycoproteins, as well as the fibers. It also explores the impact of the ECM on the metabolic activities of cells.