4.7 Multiple Choice: Which of the following is the most abundant immunoglobulin

Question

4.7 Multiple Choice: Which of the following is the most abundant immunoglobulin class in healthy adult humans and mice? A. IgA B. IgD C. IgE D. IgG E. IgM Multiple Choice: Which of the following describes the structure of an immunoglobulin fold? A. Two antiparallel ? sheets with an ?-helical linker and a disulfide bond link 4.8 B. Two B strands linked by a disulfide bond C. Four a helices linked by two disulfide bonds D. Seven antiparallel ? helices in series E. One ? sandwich of two ? sheets folded together and linked by a disulfide bond Multiple Choice: Antibodies have flexibility at various points in the molecule, particularly the hinge region between the Fc and Fab portion and, to some extent, the junction between the V and C regions. Which of the following properties of an antibody are not affected by its flexibility? 4.9 Rinding to small antigens (haptens)

Explanation / Answer

Answer for question 4.7 : The correct option is D (IgG)

Explanation :

Concentration of different antibodies is as follows

IgG, Most abundent folled by IgA, IgM, IgD and IgE (lowest)

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