Textbook Question
When naïve B cells are activated, they differentiate into:
a. Plasma cells
b. Memory cells
c. Both a and b
d. None of the above
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21. The Immune System
Antigens
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An antigen is a molecule that can bind to what?
A
Antibodies
B
Neurotransmitters
C
Hormones
D
Enzymes
Verified step by step guidance1
Understand the definition of an antigen: An antigen is a substance that the immune system recognizes as foreign and can provoke an immune response.
Identify the primary function of antibodies: Antibodies are proteins produced by the immune system that specifically bind to antigens to neutralize or mark them for destruction.
Consider the role of neurotransmitters, hormones, and enzymes: These are molecules involved in signaling and metabolic processes, but they do not specifically bind to antigens.
Recognize that the specific interaction between antigens and antibodies is a key component of the immune response, where antibodies bind to antigens to help eliminate them.
Conclude that the correct answer is antibodies, as they are the molecules that specifically bind to antigens in the immune system.
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