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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
Similar Questions
Select the correct pair
| Column $- I$ | Column $- II$ |
| $(A)$ Physiological barrier | $(1)$ Skin |
| $(B)$ Cellular barrier | $(2)$ Macrophages |
| $(C)$ Physical barriers | $(3)$ interferons |
| $(D)$ Cytokine barriers | $(4)$ Tears |
| $(5)$ Mucus |
medium
medium
medium
medium
