You have isolated a new virus. You have confirmed that proteases are essential for the replication of this virus. This finding suggests that the virus a) contains at least one polyprotein. b) has a single-stranded RNA genome. c) uses at least one set of overlapping genes. d) lyses its host following genome replication. Viruses break the central dogma of molecular biology via (select all correct answers): RdDp RdRp DdDp DdRp.