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Assertion : Interferons are antiviral proteins.
Reason : Interferons are secreted by virus infected cells.
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Reason : Interferons are secreted by virus infected cells.
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If both assertion and reason are true and reason is the correct explanation of assertion
Virus infected cells secrete proteins known as interferons which protect non-infected cells from further viral infection. In humans three groups of interferons have been discovered :
(1) $\alpha$ - interferons
(2) $\beta-$ interferons
(3) $\gamma$ - interferons
(1) $\alpha$ - interferons
(2) $\beta-$ interferons
(3) $\gamma$ - interferons
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