The Following Events Occur If Human Cells Expressing HLA- I

question 37

Multiple Choice

The following events occur if human cells expressing HLA- I are mixed with anti- HLA- I, complement, and trypan blue. What step indicates the cells are HLA- I?

• A) Trypan blue enters the cells.
• B) Complement is fixed.
• C) The MAC makes a pore in the plasma membrane.
• D) Antibody binds to the cells.
• E) None of the above, the T cells are missing.

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