Which of the following is a key characteristic of memory B cells?
Understand the Problem
The question is asking about the specific features that define memory B cells, which are a type of immune cell involved in the body's response to pathogens. Understanding these characteristics helps explain their role in immunological memory and vaccine efficacy.
Answer
Expression of high-affinity B-cell receptors with varying isotypes.
Memory B cells are characterized by the expression of high-affinity B-cell receptors with varying isotypes.
Answer for screen readers
Memory B cells are characterized by the expression of high-affinity B-cell receptors with varying isotypes.
More Information
Memory B cells are a crucial component of the adaptive immune system. They are responsible for the rapid and robust immune response upon subsequent exposure to the same antigen, significantly enhancing the body's ability to fight infections.
Tips
A common mistake is to confuse memory B cells with plasma cells. While plasma cells produce antibodies immediately, memory B cells retain the 'memory' of the antigen for faster and more efficient response upon re-exposure.
Sources
- Memory B Cell - an overview | ScienceDirect Topics - sciencedirect.com
- Memory B cell - Wikipedia - en.wikipedia.org
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