Concept 35 DNA responds to signals from outside the cell.
![factoid](/images/general/factoid.gif)
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Interferons also defend the body against other foreign cells, like bacteria, and tumor cells.
![Hmmm...](/images/general/hmmm.jpg)
How could interferon be used to treat cancer?
Interferons also defend the body against other foreign cells, like bacteria, and tumor cells.
How could interferon be used to treat cancer?