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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Definitions:

Oviduct

The tube through which an ovum or egg passes from the ovary to the uterus; also known as the fallopian tube.

Uterus

Muscular chamber where offspring develop; womb.

Oviduct

The conduit by which an egg or ovum travels from an ovary, known in humans as the fallopian tube.

Meiosis II

The second division in meiosis, a type of cell division specific to germ cells, where sister chromatids are separated, resulting in four haploid cells from the original diploid cell.