Multiple choice

_______ are distinct low molecular weight nuclear acids.

  1. Virus

  2. Viroids

  3. Epsilon

  4. Preens

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Viroids are infectious agents composed solely of a short, circular, single-stranded RNA molecule, which is a low molecular weight nucleic acid. They lack the protein coat found in viruses.