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Interferon-alpha (IFN-α) is secreted from which cells?

a) T cells
b) B cells
c) Macrophages
d) Virally infected cells

1 Answer

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Final answer:

Interferon-alpha (IFN-α) is secreted by virally infected cells to alert nearby uninfected cells of a viral infection. It stimulates uninfected cells to produce compounds that interfere with viral replication and activates other cells in the immune response.

Step-by-step explanation:

Interferon-alpha (IFN-α) is secreted by virally infected cells. It is a type of early-acting cytokine released by infected cells to alert nearby uninfected cells of a viral infection. Interferons stimulate uninfected cells to produce compounds that interfere with viral replication and also activate macrophages and other cells in the immune response.

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