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4 votes
A) IgM

B) IgA
C) IgE
D) IgD
E) IgG

11) ____Has the ability to cross the placenta.
12) ____In its dimerized form it protects mucosal barriers.
13) ____Involved in type I hypersensitivities.
14) ____B cell receptor.
15) ____First to peak during a primary immune response.

1 Answer

4 votes

Answer:

11 E,12 B,13 C,14 A, 15 D,

Step-by-step explanation:

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