Assertion : Interferons are antiviral proteins. Reason : Interferons are secreted by virus infected cells.

Assertion : Interferons are antiviral proteins. Reason : Interferons are secreted by virus infected cells.
  1. If both assertion and reason are true and reason is the correct explanation of assertion
  2. If both assertion and reason are true but reason is not the correct explanation of assertion
  3. If assertion is true but reason is false
  4. If both assertion and reason are false.

Solution

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

Asked in: NEET 2009 (Mains)

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