BLOOD CARDIOVASCULAR SYSTEM LYMPHOID ORGANS
LYMPH NODES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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They are part of the major immunoglobilin excecpt
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IgD
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IgE
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IgA
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IgB
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Explanation:
Detailed explanation-1: -The five major classes of human immunoglobulins are immunoglobulin G (IgG), IgA, IgM, IgD, and IgE. These classes share the same fundamental four-chain structured antibody but vary in their heavy chains, , , , and . There are only two primary forms of light chains: kappa () and lambda ().
Detailed explanation-2: -Immunoglobulin A (IgA): It’s found in the linings of the respiratory tract and digestive system, as well as in saliva (spit), tears, and breast milk. Immunoglobulin G (IgG): This is the most common antibody. It’s in blood and other body fluids, and protects against bacterial and viral infections.
Detailed explanation-3: -IgG is composed of four subclasses: IgG1, IgG2, IgG3, and IgG4 [1-9].
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