Discovering the Extracellular Matrix
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Questions and Answers

Which of the following is NOT a major molecule found in the extracellular matrix?

  • Collagen
  • Integrins (correct)
  • Structural proteins
  • Adhesive proteins
  • What is the function of adhesive proteins in the extracellular matrix?

  • Communicate messages from the ECM to the cell
  • Resist tension and stretchability
  • Anchor cells to each other and the ECM (correct)
  • Provide tensile and compressive strength
  • Which type of tissue has a unique composition of extracellular matrix?

  • Muscular tissue
  • Nervous tissue
  • Connective tissue
  • Epithelial tissue (correct)
  • What is the initial form of collagen when it is released into the extracellular matrix?

    <p>Procollagen</p> Signup and view all the answers

    What is the most common structural protein found in the extracellular matrix?

    <p>Collagen</p> Signup and view all the answers

    Study Notes

    Extracellular Matrix Composition

    • Hyaluronan, proteoglycans, and collagen are major molecules found in the extracellular matrix.

    Adhesive Proteins in ECM

    • Adhesive proteins in the extracellular matrix facilitate cell-to-cell and cell-to-matrix interactions.

    Unique Tissue Composition

    • Cartilage has a unique composition of extracellular matrix.

    Collagen Formation

    • Procollagen is the initial form of collagen when it is released into the extracellular matrix.

    Structural Proteins in ECM

    • Collagen is the most common structural protein found in the extracellular matrix.

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    Description

    Test your knowledge on the extracellular environment and the significance of the extracellular matrix (ECM) in various tissues. Explore the composition of ECM and its three major molecules in this quiz.

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