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7.Human Health and Disease
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Immunoglobulins are made up of
A
Two polypeptide chains
B
Four polypeptide chains
C
Three amino acids only
D
Five nucleotides
Solution
Immunoglobulins are present in serum and provide immunity to body against diseases. Each immunoglobulin is made up of four polypeptide chains-two heavy weight chains and two light weight chains. These chains are joined to each other by disulphide bonds.
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 |
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