Positive-Sense Single-Stranded RNA Viruses

Multiple Choice

Positive-sense single-stranded RNA viruses

A) have only a few genes,including one that allows them to make mRNA from their genome.
B) include viruses that are responsible for causing plant diseases and are referred to as mosaic viruses.
C) regenerate themselves by reverse transcription.
D) are polyphyletic and include some viruses that have more than a million base pairs.
E) have distinct lipids in their plasma membranes.