Answered: describe the actions of antibodies…

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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describe the actions of antibodies against disease
agents;

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A huge, Y-shaped protein utilized by the immune system to recognize and nullify foreign substances, like pathogens, is called an antibody, which is also identified as immunoglobulin. The antibody identifies the molecule that is specific to the pathogen, called an antigen.

Each end of an antibody comprises a paratope (similar to a lock) that is appropriate to an antigen's unique epitope (similar to a key), enabling these two molecules to connect together with accuracy. An antibody can label a pathogen or an infected cell for invasion by other types of immune cells with the help of this binding mechanism, or can simply neutralize it.

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