T Cells Undergo Positive Selection in the Thymus,which Means They

question 59

Multiple Choice

T cells undergo positive selection in the thymus,which means they __________.

• A) react against self antigens
• B) develop surface antigen receptors
• C) remain alive but unresponsive
• D) die and macrophages phagocytize them
• E) multiply and form clones of identical T cells

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Definitions:

German Middle Class

Social stratum found in Germany, typically including small business owners, professionals, engineers, and civil servants, characterized by a moderate level of income and education.

Political Life

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Pan-German Associations

Organizations that promoted the unification of all German-speaking peoples into one nation, influencing nationalist sentiment in the 19th and early 20th centuries.

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