Difference between Virus and Viroids
Difference between Virus and Viroids are in tabular form below –
No. |
Virus |
Viroids |
Definition |
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1. | A non-living, not cells, cannot make food, cannot produce wastes, cannot take in food, do not respond to stimuli and have ability to multiply if in another cell, this is known as Virus. | A small virus like particle or a small circular RNA molecule which is made up of a single circular strand of nucleic acid (RNA) that codes for single protein, this is known as Viroids. |
Capsid |
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2. | In the viruses, protein component or capsid is present. | In the Viroids, protein component or capsid is absent. |
Size |
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3. | Size of the virus is small. | Size of the viroid is small when compared to viruses. |
Infects |
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4. | Viruses can nearly infect all the types of living organisms. | Viroids can infect only plants. |
RNA or DNA genome |
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5. | Viruses contain RNA or DNA genome. | Viroids contain a single stranded RNA molecules. |
Example |
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6. | Mosaic virus, Hepatitis C virus, influenza virus, and adenovirus. | Apple scar skin viroid, Citrus exocortis viroid and Avocado sunblotch viroids. |