What Is an XML DTD

question 47

Essay

What is an XML DTD?

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Definitions:

Antibody

Protein produced in response to the presence of an antigen; each antibody combines with a specific antigen.

Antigen

A substance that stimulates an immune response, especially the production of antibodies, because it is recognized by the body as foreign.

Variable Region

A region in an antibody's structure that varies among different antibodies, allowing them to bind to a vast array of antigens.

Adaptive Immunity

Type of immunity that is characterized by the response of lymphocytes to specific antigens.