Gujarati
Hindi
7.Human Health and Disease
medium

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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