NEET AIPMT SOLVED PAPER 2000

  • question_answer
                    Small proteins produced by vertebrate cells naturally in response to viral infections and which inhibit mutliplication of viruses are called:

    A)                                                                                                                         immunoglobulins

    B)                 interferons                        

    C)                 antitoxins           

    D)                 lipoproteins

    Correct Answer: B

    Solution :

                    Interferons (INFs) are a group of three vertebrate glyroproteins \[(\alpha ,\,\beta ,\,\gamma )\]. Out of these, two (\[\alpha \] and \[\beta \]) are produced within virally infected cells. Interferon induces, among adjacent cells, as antiviral state by inducing synthesis of the enzymes which inhibit the viral production cycle.


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