How are viroids different from viruses?

Viroids are infectious entities that affect plants which are smaller compared to a virus. They consist of only the nucleic acid without a protein coat. Viruses are an infective agent consisting of a nucleic acid molecule in a protein coat 

Viroids are different from viruses in the following ways:

  • Its RNA does not code for protein
  • It exists within the cells as RNA particles only with no envelope or capsid
  • It possesses only one circular RNA strand comprising of very few nucleotides
  • Contrary to viruses, viroids require no help of viruses to infect cells
  • Contrary to viruses of which the RNA can be copied in the nucleus or cytoplasm, the RNA of viroids are copied in the nucleus only
  • To detect the presence of viroids in the plant tissues, special techniques are used 

Was this answer helpful?

 
   

3.5 (9)

(11)
(0)

Choose An Option That Best Describes Your Problem

Thank you. Your Feedback will Help us Serve you better.

Leave a Comment

Your Mobile number and Email id will not be published. Required fields are marked *

*

*

BOOK

Free Class

Ask
Question