Which of the following is TRUE regarding viruses?
a. Pox virus replication occurs completely in the cytoplasm.
b. Retroviruses have negative-strand ssRNA genomes that are converted to dsDNA.
c. Reoviruses typically evolve by antigenic shift and antigenic drift.
d. ?X174 is a temperate phage that infects Crenarchaeota.
Answer: A
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