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7.Human Health and Disease
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Which of the following is a pentameric immunoglobulin and is produced first in a primary response to an antigen?
A
$I_gG$
B
$I_gM$
C
$I_gA$
D
$I_gE$
(AIIMS-2010)
Solution
$I_gM$ is a pentameric immunoglobulin that is produced first in a primary response to an antigen. $I_gA,\,I_gD$ and $I_gE$ consist of single monomers.
Standard 12
Biology
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