1. "Interferons (IFNs)‐α and ‐β are expressed in response to a virus infection and are released from the cell in which they are produced. IFNs induce an antiviral state in other neighboring cells. a. Which cellular process is inactivated when IFN‐treated cells are infected with a virus? b. One arm of the IFN‐induced antiviral state is the synthesis of 2′,5′‐oligoA in response to viral infection. In one sentence or a simple diagram, what is the effect of this on the cell? c. Another arm of the IFN‐induced antiviral state is activation of the protein kinase in response to viral infection. In one sentence or a simple diagram, what is the effect of this on the cell? d. All cells contain the genes for IFNs. IFN synthesis is stimulated by virus infection. Would you expect a cell that has been treated with IFN to synthesize IFN in response to a viral infection? Explain your answer."

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Viral Infections

Viruses are abundantly found, minute entities that have genetic material enclosed within a protein coat. The proteinaceous material enclosing the genetic material of the virus is called a capsid. The genetic material could be either DNA (deoxyribonucleic acid) or RNA (ribonucleic acid). A virus is too minute to be looked at with naked eyes and therefore visualized with the help of a microscope. They are acellular entities that require a host for processes, such as replication, transcription, translation and multiplication. Plants, animals, and bacteria act as host wherein the virus reproduce. Viruses cannot multiply outside the host's body and thus are considered nonliving outside the host body.