Questions
Which of the following statements is wrong for viroids?
a
They cause infections.
b
Their RNA is of high molecular weight
c
They lack a protein coat.
d
They are smaller than viruses.
detailed solution
Correct option is B
The RNA of viroids have low molecular weight.In 1971, T.O. Diener discovered a new infectious agent that was smaller than viruses and caused potato spindle tuber disease. It was found to be a free RNA; it lacked the protein coat that is found in viruses, hence the name viroid. The RNA of the viroid was of low molecular weight.Talk to our academic expert!
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