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smshands28 smshands28
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10 years ago
Which of the following is NOT a step used by cytotoxic T cells to kill infected host cells?

A.Secretion of perforin
B.Recognition of infected host cell using its TCR
C.Secretion of granzyme
D.Recognition of infected host cell using its CD4 glycoprotein
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snappysnappy
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10 years ago
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9 years ago
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