The antibody normally constituting the highest percentage of antibodies in the blood is:_____.

Antibodies also known as immunoglobulin, are the proteins that are protective in nature and are produced by the immune system.
Antibodies are large, Y-shaped and are attached to the antigens like bacteria, viruses, etc. and they eliminate these from the body.
Antibodies are produced by specialized white blood cells i.e., B-cells.
There are five types of antibodies -IgG, IgM, IgA, IgD, and IgE.

IgG is one of the most common antibody found in the blood and tissue fluids which makes around 70% - 75% of all immunoglobulins in the body.

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muhsinabotany muhsinabotany · Answer 2 · 2022-07-29T06:30:33+02:00

Immunoglobulin G is the antibody that normally constitutes the highest percentage of antibodies in the blood.

Antibodies are proteins made by plasma cells as a result of a response to an antigen.
Antibodies are antigen-specific that can attach to only specific antigens to destroy them.
They are found mainly in the blood and other tissues and extracellular fluids.
Antibodies are found in the B cells of lymphocytes used to attack invading bacteria and viruses that are toxic.

Immunoglobulin G represents 75% of antibody serum in a body.
IgG is produced by plasma B cells to fight bacteria, viruses, and toxins.
Each IgG has two paratopes which are antigen-binding sites. These paratopes recognize an antigen and bind to it.
The Y-shaped IgG has identical paratopes in each arm.
IgG recognizes the pathogens and causes immobilization. They also bind and neutralize toxins.
IgG is also involved in allergic reactions.
Their function includes opsonization which enables them to bind with bacterial surface facilitating their phagocytosis.

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