An immunoglobulin molecule of any class with regions symbolized as C or V, H or L, has a light chain made up of on C region and on V region.
Immunoglobulins
Immunoglobulins (Ig), often known as antibodies, are glycoproteins generated by plasma cells.
- Specific immunogens, such as bacterial proteins, encourage B cells to develop into plasma cells, which are protein-producing cells that participate in humoral immune responses against bacteria, viruses, fungi, parasites, cellular antigens, chemicals, and synthetic compounds.
- The immunogen or antigen binds to a B-cell receptor (BCR) on the cell surface of B lymphocytes
- Resulting in the production of a signal that directs the activation of transcription factors to drive the manufacturing of antibodies that are highly specific for the immunogen that excited the B cell.
Furthermore, one B cell clone produces immunoglobulin (specificity).
- Antibodies, also known as immunoglobulins, have two light chains and two heavy chains in a light-heavy-heavy-light pattern.
- The hefty chains vary by class.
- They have one Fc region that mediates biological activity (for example, binding to cellular receptors) and one Fab region that includes antigen-binding sites.
- Domains are formed by folding the chains.
- The heavy chain has four or five domains depending on its class, whereas the light chain has two domains.
Hence, the correct answer is option A
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