Which of the Following Determines the Level of Viral MRNAs

question 22

Multiple Choice

Which of the following determines the level of viral mRNAs produced from the integrated provirus in retrovirus infected cells?

• A) The level of mRNA splicing and polyadenylation that occurs.
• B) The amount of reverse transcriptase packaged into the virion.
• C) The site in the host cell genome where the provirus integrates.
• D) Binding of specific transcription factors to the U5 region.
• E) Binding of specific transcription factors to the U3 region.

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