where are AB's effective?

describe the structure of an antibody

describe the constant and variable regions of the molecule

what are the 3 main functions of antibodies?

name the 5 isotypes

which part of the antibody is different within classes and between classes?

how does a B cell class switch?

where is IgD found and what is its function?

what is the role of IgM?

why is IgG such a good antibody?

which is the only antibody to cross the placenta?

where is IgA found?

which of the 3 functions is carried out by IgA?

which cells have a receptor for IgE?

what does IgE trigger in response to parasites or allergic disease?