Questions
Which of the following is correct about viroids ?
a
They have free RNA without protein coat.
b
They have DNA with protein coat.
c
They have free DNA without protein coat.
d
They have RNA with protein coat.
detailed solution
Correct option is A
Viroids are naked (without protein) circular, single stranded, infectious RNA of low molecular weight. It was discovered by T.O. Diener. It is an infectious agent that was smaller than viruses and causes potato spindle tuber disease and some other plant diseases.Talk to our academic expert!
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