Question

define // Immunoglobulins: Classes and Subclasses

Answer 1

Answer:

Antibody

Immunoglobulins, also known as antibodies, are glycoprotein molecules produced by plasma cells (white blood cells). They act as a critical part of the immune response by specifically recognizing and binding to particular antigens, such as bacteria or viruses, and aiding in their destruction.

Explanation:

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Answer 2

Hello there!

IMMUNOGLOBINS:

A protein produced by plasma cells and lymphocytes and characteristic of these types of cells. Immunoglobulins play an essential role in the body's immune system. They attach to foreign substances, such as bacteria, and assist in destroying them. Immunoglobulin is abbreviated Ig.

CLASSES AND SUBCLASSES:

• There are five immunoglobulin classes (isotypes) of antibody molecules found in serum: IgG, IgM, IgA, IgE, and IgD.

• They are distinguished by the type of heavy chain they contain. IgG molecules possess heavy chains known as γ-chains; IgMs have μ-chains; IgAs have α-chains; IgEs have ε-chains; and IgDs have δ-chains.

• The variation in heavy chain polypeptides allows each immunoglobulin class to function in a different type of immune response or during a different stage of the body’s defense. The amino acid sequences that confer these functional differences are located mainly within the Fc domain.

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