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CGP EDU Academic Team
Published on: August 20, 2026
Viroids differ from viruses in having
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Verified by ExpertsThe correct answer is:
D
Viroids differ from viruses in having RNA molecules without protein coat. Unlike viruses, which have a protein coat (capsid) enclosing their nucleic acid, viroids are infectious agents composed only of short, circular, single-stranded RNA molecules that are not encased in protein. They are smaller than viruses and mainly infect plants.
Viroids: Naked RNA (no protein capsid).
Viruses: RNA or DNA with a protein coat.
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