Multiple Choice
Which of the following proteins are not found in the ECM
18. Cell Junctions and Tissues
Extracellular Matrix of Animal Cells
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Which of the following ECM proteins connect collagen to the ECM?
A
Fibronetics
B
Elastin
C
Collagen
D
GAGs
Verified step by step guidance1
Understand the role of the extracellular matrix (ECM) in providing structural and biochemical support to surrounding cells.
Identify the main components of the ECM, which include proteins like collagen, elastin, fibronectin, and glycosaminoglycans (GAGs).
Recognize that collagen is a primary structural protein in the ECM, providing tensile strength.
Learn that fibronectin is a glycoprotein that connects collagen to other ECM components and cells, facilitating cell adhesion and migration.
Conclude that fibronectin is the ECM protein responsible for connecting collagen to the ECM, as it acts as a bridge between collagen fibers and other ECM molecules.
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