FcRn Has Which of the Following Characteristics? (Select All That

question 4

Multiple Choice

FcRn has which of the following characteristics? (Select all that apply.)

• A)It binds to monomeric IgA in acidified endocytic vesicles.
• B)It transports IgG out of the blood into tissue across the endothelium.
• C)It is similar in structure to an MHC class II molecule.
• D)It protects IgA from degradation by plasma proteases.
• E)Two molecules of FcRn are required to bind to each Fc region.

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