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Antiviral Activity of Interferon

View the animation below, then complete the quiz to test your knowledge of the concept.

1When interferon attaches to a cell
A)virus can not enter the cell
B)virus can enter the cell but can not replicate
C)virus can replicate within a cell but can not be released
D)viral replication takes place as usual

2When interferon from one cell attaches to a second cell
A)the recipient cell makes enzymes that prevent cell metabolism
B)the second cell now makes interferon and saves itself
C)the recipient cell is able to kill bacteria
D)the recipient cell makes enzymes that degrade mRNA and prevent viral protein synthesis

A)is produced as a specific response to a specific virus
B)is produced by one cell and used to warn nearby cells of the same type
C)is able to save the cell that makes it
D)induces production of mRNA in the recipient cell
E)kills all bacteria nonspecifically

4Interferon degrades mRNA and prevents synthesis of viral protein.

5Interferon is produced by an animal cell that is infected by a bacterium.

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