T Cells Undergo Positive Selection in the Thymus, Which Means

question 30

Multiple Choice

T cells undergo positive selection in the thymus, which means

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

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