COMEDK 2007 MCQ Answer 67

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The correct answer is B


The immune system of mammals makes receptor proteins (antibodies) to substances that are foreign (i.e. not part of the body), each antibody being specific to a given substance. Antibodies are of several types, IgG for instance being involved in protection against viral diseases after vaccination whereas IgE, involved in atopic individuals, is particularly concerned with protection against parasites.

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