https://www.pearson.com/channels/microbiology/exam-prep/set/default/acellular-infectious-agents-viruses-viroids-and-prions
Prepare for your Microbiology exams with engaging practice questions and step-by-step video solutions on Acellular Infectious Agents: Viruses, Viroids &...
infectious agentsexam prepacellularvirusesviroids
https://www.mdpi.com/2075-1729/12/1/103
Viroids are a unique class of plant pathogens that consist of small circular RNA molecules, between 220 and 450 nucleotides in size.
viroidslikecircularrnas