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LAKHMIR SINGH & MANJIT KAUR|Exercise Long Answer Questions (Carrying 5 marks each)|1 Videos
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Antobiotics cure viral infections.
Interferons act against viral infection by
A substance (low molecular weight protein) produced by host cells in response to viral infection and protect other cells against further viral infection is
Read the following statements a) Interferons are secreted by viral infected cell & protect viral infected cells from further infection. b) Interferons are secreted by viral infected cells & protect non-infected cell from further viral infection. c) Interferons are secreted by normal cell & protect non-infected cell from further viral infection. d) Interferons are secreted by normal cell & protect adjacent viral infected cell from further infection. How many statements are wrong?
Interferon acts against
Assertion : Virus-infected cells secrete proteins known as interferons. Reason : Interferons protect the non-infected cells from bacterial infection.
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