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A viroid consists of free RNA of low molecular weight and lacks a protein coat. A prion is an infectious agent composed of abnormally folded protein and contains no nucleic acid.
Ref: NCERT Class 11 Biology Chapter 2: Biological Classification Viruses Viroids Prions and Lichens
The agent is a viroid. T. O. Diener discovered viroids while studying potato spindle tuber disease. Viroids consist of free RNA of low molecular weight and lack the protein coat present in viruses.
Ref: NCERT Class 11 Biology Chapter 2: Biological Classification Viruses Viroids Prions and Lichens
The described agent is a viroid. T. O. Diener discovered it while investigating potato spindle tuber disease. A viroid consists of free, low-molecular-weight RNA and lacks the protein coat present in viruses.
Ref: NCERT Class 11 Biology Chapter 2: Biological Classification Viruses Viroids Prions and Lichens
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