Overview
Antibodies, or immunoglobulins, are essential proteins in the immune system that help protect the body from infections. They are produced by B cells and have a unique Y-shaped structure that allows them to bind specifically to antigens, which are foreign substances like bacteria and viruses. Each an...
Key Terms
Example: Bacteria and viruses are common antigens.
Example: IgG is the most common immunoglobulin in blood.
Example: B cells are activated when they encounter an antigen.
Example: The Y-shape consists of two heavy chains and two light chains.
Example: Each antibody has two heavy chains.
Example: Each antibody has two light chains.
Related Topics
Key Concepts
Y-shaped structureAntigen bindingHeavy and light chainsVariable and constant regions