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Standard XII
Biology
Viroids
Short / Long ...
Question
Short / Long answer type questions.
Write a brief account of viroids and prions.
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Solution
Viroids are plant pathogens that contain a very short circular, single-stranded RNA that does not have a protein coat.
They are essentially strands of naked RNA.
They are much smaller than viruses.
Prions are protein particles that can affect
other proteins to form abnormal shapes, which causes disease.
The prions and viroids are sometimes called subviral particles.
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