Scelta multipla
Which of the following ECM proteins connect collagen to the ECM?
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18. Cell Junctions and Tissues
Extracellular Matrix of Animal Cells
Scelta multipla
Which of the following proteins are not found in the ECM
A
Fibronetics
B
Elastin
C
Collagen
D
Bip
Guida verificata passo dopo passo1
Understand the context: The extracellular matrix (ECM) is a complex network of proteins and carbohydrates that provide structural and biochemical support to surrounding cells.
Identify common ECM proteins: Proteins typically found in the ECM include fibronectin, elastin, and collagen. These proteins play roles in cell adhesion, elasticity, and structural integrity.
Recognize the outlier: Compare the list of proteins provided in the problem with the common ECM proteins. Fibronectin, elastin, and collagen are all known ECM components.
Introduce the concept of Bip: Bip (Binding immunoglobulin protein) is a chaperone protein found in the endoplasmic reticulum (ER), not in the ECM. It assists in protein folding and quality control within the ER.
Conclude the analysis: Based on the understanding of ECM components and the role of Bip, determine that Bip is not found in the ECM, making it the correct answer to the problem.
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