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BIOL 103 (103)
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FIVE CLASSES OF IMMUNOGOLBINS.docx

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Department
Biology
Course
BIOL 103
Professor
Virginia K Walker
Semester
Winter

Description
FIVE CLASSES OF IMMUNOGOLBINS -mammals have five classes: IgM, IgE, IgA, IgI, IgD -all vertebrates have IgM molecules -some vertebrates have only some of the other five classes and also express unique immunoglobin not found in mammals -invertebrates don't have immunoglobin -they have proteins containing Ig-domains (Ig-folds) w/ sequences that are similar to those of immunoglobins -ancestral to immunoglobulins; may carry out immune activity -most abundant immunoglobin in mammals: IgM and IgG -provides most of the specific immunity against bacteria and viruses -IgE: defense against multicellular paras
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