What Signal Is Released by Endothelial Cells to Recruit Circulating

question 36

Multiple Choice

What signal is released by endothelial cells to recruit circulating leukocytes?

• A)Vesicle-sequestered P-selectins are moved to the cell surface.
• B)Vesicle-sequestered αL β2 molecules are moved to the cell surface.
• C)Integrins are cleaved from the plasma membrane so that the extracellular domain can bind leukocytes.
• D)Secreted glycoproteins trigger leukocytes to initiate "rolling" motility.

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Definitions:

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