cell biology

| December 7, 2015

Which of the following is true for natural killer cells?

Question options:

1) They recognize and kill virus infected cells

2) Killing of cells by NK cells requires interaction with B cells.

3) They may phagocytose tumor cells.

4) IL-2 supports their growth and interferons promote their killing activity.

5) Killing of cells is stimulated by Prostaglandin E2.

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