Question

The secretary component of sIgA is

a.

made by plasma cells that secrete dimeric IgA

b.

added to dimeric IgA by the M cell

c.

formed by cleavage of an epithelial cell receptor used to transport the dimeric IgA across the epithelial cell

d.

made by T cells

Answer: (c).formed by cleavage of an epithelial cell receptor used to transport the dimeric IgA across the epithelial cell

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Q. The secretary component of sIgA is

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