Multiple Choice
All of the following are true of IgM antibodies, EXCEPT which one?
A) They fix complement.
B) They occur on the surface of B-lymphocytes.
C) They predominate in the primary immune response to antigen.
D) They are glycoproteins.
E) They are a molecule with a single, defined amino acid sequence.
Correct Answer:
Verified
Correct Answer:
Verified
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