What are the major differences between viruses and viroids?
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VIRUS - a nucleoprotein particle, nucleic acid can be either RNA or DNA, capsid .ie. protein covering is found around the nucleus. They are large sized and infect all types of organisms.
VIROIDS - are an infectious RNA particle devoid of any capsid caoting. They contain only RNA. They are of small size and infect only plants.
VIROIDS - are an infectious RNA particle devoid of any capsid caoting. They contain only RNA. They are of small size and infect only plants.
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Virus-
Nucleic acid can be DNA or RNA.
A protein covering or coat called capsid is present around the genetic material.
Virus has a larger size.
Viroid-
Viroid is formed of only RNA.
A protein coat is absent.
Viroid has a smaller size.
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