USMLE Step 1 Quiz
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MICROBIOLOGY
Question 1 of 20
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An unvaccinated 4-year-old child is brought to the clinic with a high fever, cough, coryza, and conjunctivitis. The physician notes small, bluish-white spots on the buccal mucosa. The causative agent is a single-stranded RNA virus that is packaged with a crucial enzyme in its virion.
For the replication of this virus to proceed upon entering a host cell, which of the following enzymes must be carried within the virion?
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