Question

Write functions of the following group of antibodies in 2-3 lines
1. IgD
2. IgA
3. IgG
4. IgM
5. IgE

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Answer 1

(1) Functions of IgD are:

Main work of this is to Activate B-lymphhocytes and development and maturation of the immune reactions.

(2) Functions of IgA are:

Help in protection of mucous membranes and outer surface of body and also protects from inhaled ingested pathogens.

(3) Functions of IgG are:

It provides immune power to human embryo and specific linkage with the phagocytic cells for the process phagocytosis.

(4) Functions of IgM are:

It is the first antibody generated at the time of defence and strong agglutination.

(5) Functions of IgE are:

Protects from parasites, stimulation of mast cells, related to allergic reactions are the some main works of IgE.

Answer 2

Antibodies are major components of humoral immunity.

• IgG is the main type of antibody found in blood and extracellular fluid, allowing it to control infection of body tissues.
• By binding many kinds of pathogens such as viruses, bacteria, and fungi, IgG protects the body from infection.