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Questions and Answers
What is the interaction between antigens and antibodies called?
How can the Antigen-Antibody reaction be abbreviated?
Which of the following best describes the relationship between antigens and antibodies?
Which option correctly represents what Ab stands for in the Ag-Ab reaction?
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What does the term 'Ag' in the Ag-Ab reaction represent?
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What is primarily responsible for humoral immunity?
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Which type of agents can be detected through the reactions that form the basis of humoral immunity?
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What role do enzymes play in humoral immunity?
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Which aspect does humoral immunity primarily involve?
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In the context of humoral immunity, what are non-specific antigens?
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Study Notes
Antigen-Antibody Reaction
- The interaction between antigens and antibodies is known as the antigen-antibody reaction (Ag-Ab reaction).
- This reaction forms the foundation for humoral immunity, also known as antibody-mediated immunity.
- It plays a crucial role in detecting infectious disease agents and non-specific antigens, such as enzymes.
- The reaction forms an immune complex.
- It is characterized by its high specificity.
Specificity
- An individual antibody combining site reacts with only one antigenic determinant.
- A population of antibodies reacts with only one antigen.
Binding Site
- The antibody attaches to the antigen.
- The portion of the antigen that combines with the antibody is called the epitope.
Affinity of Antibody
- The interaction between an antigen and antibody involves non-covalent binding.
- The binding occurs between the antigenic determinant (epitope) and the variable region (CDR) of both the heavy and light immunoglobulin chains.
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Description
This quiz explores the critical interactions between antigens and antibodies, known as the antigen-antibody reaction. Understanding this reaction is essential for grasping the principles of humoral immunity and the formation of immune complexes. Dive into the concepts of specificity, binding sites, and antibody affinity.
