Multiple Choice
What is the primary difference between antigens and antibodies?
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21. The Immune System
Antigens
Multiple Choice
Which of the following is the specific part of the antigen that antibodies bind to?
A
Isotype
B
Hapten
C
Paratope
D
Epitope
Verified step by step guidance1
Understand the context: Antibodies are proteins produced by the immune system to identify and neutralize foreign objects like bacteria and viruses.
Identify the key term: The problem asks for the specific part of the antigen that antibodies bind to.
Define the term 'Epitope': An epitope, also known as an antigenic determinant, is the specific part of an antigen that is recognized and bound by an antibody.
Differentiate from other terms: Isotype refers to the class of an antibody, hapten is a small molecule that can elicit an immune response only when attached to a large carrier, and paratope is the part of the antibody that recognizes the epitope.
Conclude with the correct term: Based on the definitions, the specific part of the antigen that antibodies bind to is the 'Epitope'.
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