Questions: An infectious strand of RNA devoid of a capsid and much smaller than a virus is called a(n) .

An infectious strand of RNA devoid of a capsid and much smaller than a virus is called a(n) .
Transcript text: An infectious strand of RNA devoid of a capsid and much smaller than a virus is called a(n) $\square$
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Solution

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The answer is: viroid.

Explanation:

  • A viroid is an infectious agent that consists solely of a short strand of circular, single-stranded RNA without a protein coat (capsid).
  • Viroids are much smaller than viruses and are known to cause diseases in plants.
  • Unlike viruses, viroids do not encode proteins and rely entirely on the host cell's machinery for replication.

In summary, the infectious strand of RNA described in the question is a viroid.

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