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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