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24 Cards in this Set
- Front
- Back
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What are the Antibody Classes?
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IgA
IgD IgE IgG IgM |
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What is the shape of Antibodies?
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Y-shaped protein
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How much is the molecular weight of Antibody
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150,000 daltons
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What is an antibody composed of ?
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4 peptide chains
2 light chains & 2 heavy chains |
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How many antibodies can a plasma cell secrete?
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10,000 per second
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Where do the Antibodies travel?
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through the body in blood
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What does Ig mean
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immunoglobulin
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Release as a dimer and found in body seretions i.e. saliva/breast milk
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IgA
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IgA
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Release as a dimer and found in body seretions i.e. saliva/breast milk
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What is the IgA dimer connected by ?
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peptide J chain
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IgD
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Produced by maturing B cells in the bone marrow
Very low levels in plasma |
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Produced by maturing B cells in the bone marrow
Very low levels in plasma |
IgD
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IgE
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Tail binds very well to mast cells
==>binds before antigen is present |
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Tail binds very well to mast cells
==>binds before antigen is present |
IgE
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Which antibody class leads to hypersensitivities?
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IgE
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IgG
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most prevalent antibody in the blood
only class that crosses placenta |
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most prevalent antibody in the blood
only class that crosses placenta |
IgG
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Which antibody has the longest half-life? How long?
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IgG/21days
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IgM
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Exist as a pentamer
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Exist as a pentamer
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IgM
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Which antibodies help babies?
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IgA & IgG
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Which antibody is of poor quality?
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IgM
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Antibodies bound to a particle ENHANCES phagocytosis
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Opsonization
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Opsonization helps how?
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makes it easier to crab and kill
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