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Cancer cells and virus-infected cells can be killed before activation of the immune system by:?

A. B Lymphocytes
B. Pinocytosis
C. Natural Killer Cells
D. T Lymphocytes

2007-03-21 09:50:51 · 1 answers · asked by Anonymous in Science & Mathematics ➔ Biology

1 answers

C. Natural Killer Cells

2007-03-21 09:55:12 · answer #1 · answered by Diana M 3 · 1⤊ 0⤋

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