One of the Strategies Used by Poxviruses to Inhibit Host

question 19

Multiple Choice

One of the strategies used by poxviruses to inhibit host defenses involves the synthesis of a viral serpin.What is the function of the serpin?

• A) It inhibits components of the complement system.
• B) It prevent the presentation of peptides on MHC-I.
• C) It is a soluble receptor for the tumor necrosis factor.
• D) It binds to the PKR kinase and inhibits its activity.
• E) It inhibits a serine protease that activates interleukin-1b.

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