Cytotoxic T cells recognize antigen displayed on which molecule?
Answer and explanation
Correct answer: A. MHC class I
- Step 1: CD8 on cytotoxic T cells binds MHC class I, which is on all nucleated cells. Step 2. This lets them detect infected or abnormal cells. Answer: MHC class I. Why not the others: MHC class II is recognized by CD4 helper T cells.
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