Viroids differ from viruses in having
Options
(a) naked DNA packaged with viral genome
(b) naked DNA molecules
(c) satellite RNA packed with viral genome
(d) naked RNA molecules only
Correct Answer:
naked RNA molecules only
Explanation:
Viroids are free RNA molecules of low molecular weight without any protein coat while viruses can have either RNA or DNA molecules encapsulated in a protein coat. Viroids are smaller in size than viruses.