Lecture 5
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12 Terms
Which of the following can be used to describe an immunoglobulin?
All of these
What portion of the BCR is the immunologic trigger?
Fc
Which of the following is not correct regarding the Fab portion of the BCR?
Enhances phagocytosis by macrophages & PMN
What is the role of the Ig-alpha & Ig-beta on the B-cell surface?
Accessory molecules
Which antibodies only have a monomer structure?
IgD, IgG, and IgE
Which antibody is the most prevalent, able to cross the placenta & epithelium of the GI?
IgG
IgM is secreted during both primary and secondary immune response to an antigen.
False
Which antibody is responsible for mast cell, basophil, and eosinophil stimulation?
IgE
Where is IgA primarily found?
Mucosal surfaces & milk
Allotypes are defined as….
Genetically determined differences in antibodies between different species
Which of the following is not a type of antigen-antibody bond?
Covalent bond
Both the variable region and the constant region of the BCR change during class switching.
False