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page 11 of 11 Evolution of the Influenza Virus Quick Check 3 of 53 of 5 Items Question What is an interferon?(1 point) Responses An interferon reduces the efficacy of antibiotics on bacteria. An interferon reduces the efficacy of antibiotics on bacteria. An interferon disrupts DNA replication. An interferon disrupts DNA replication. An interferon activates the body’s immune system response to a virus. An interferon activates the body’s immune system response to a virus. An interferon is used by a virus to stop the body from detecting it. An interferon is used by a virus to stop the body from detecting it. Skip to navigation
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The correct response to the question "What is an interferon?" is:
**An interferon activates the body’s immune system response to a virus.**
Interferons are proteins produced by host cells in response to the presence of pathogens, especially viruses. They play a key role in the immune response by signaling to neighboring cells to boost their defenses against viral infections.
**An interferon activates the body’s immune system response to a virus.**
Interferons are proteins produced by host cells in response to the presence of pathogens, especially viruses. They play a key role in the immune response by signaling to neighboring cells to boost their defenses against viral infections.