OBJECTIVE LIFE SCIENCE
SIGNALLING IMMUNOLOGY CANCER
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Most abundant antibody, in plasma, +/-80%. Chief antibody in both primary and secondary responses, crosses the placenta, giving passive immunity to fetus.
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IgM
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IgA
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IgD
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IgG
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IgE
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Explanation:
Detailed explanation-1: -IgG is the most abundant antibody isotype in the blood (plasma), accounting for 70-75% of human immunoglobulins (antibodies).
Detailed explanation-2: -Probably about 80% of all natural antibodies circulating in the human body are natural IgMs, which are also the best known immunoglobulins.
Detailed explanation-3: -IgG is the most abundant circulating antibody, making up 80% of the total antibodies and 75% of that found in serum. IgG provides the majority of antibody-based immunity against pathogens.
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