Campbell Biology
Campbell Biology
12th Edition
ISBN: 9780135188743
Author: Urry
Publisher: PEARSON
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Chapter 43, Problem 2TYU

An epitope associates with which part of an antigen or antibody?

(A) the tail

(B) the heavy-chain constant regions only

(C) variable regions of a heavy chain and light chain combined

(D) the light-chain constant regions only

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(35) Human immunization with purified polysaccharide antigens generates a response that is not dependent on T-lymphocytes control. As a result switching of immunoglobulin class during immune response does not occur . Therefore,the human immune response 2 months after vaccination with purified polysaccharide involves primarily which of the following immunoglobulin classes?                                                                   (A) IgA.                                                                                                                                                               (B) IgD.                                                                                                                                                               (C) IgE.                                                                                                                                                               (D) IgG.…
(66)A laboratory animal is scheduled to be immunized by receiving weekly injections of antigen X. Analysis of serum drawn 2 days after the last immunization would show antibodies to antigen X to be primarily of which of the following classes? (A) IgA (B) IgD (C) IgE (D)IgG (E)IgM
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