Which of the following statements is wrong for viroids?

39 2016 Biological Classification Viroids Easy

A They are smaller than viruses.

B They cause infections.

C Their RNA is of high molecular weight.

D They lack a protein coat.

Explanation

Viroid RNA is of low molecular weight.

Viroids are virus-like agents smaller than viruses, composed of naked strands of RNA without a capsid. Their RNA has low molecular weight.

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