A virus is considered as a living organism and an obligate parasite when inside a host cell. But virus is not classified along with bacteria or fungi. What are the characters of virus that are similar to non-living objects?


Following are the characters which resemble a non living entity:

• Viruses have no complete cellular structure.


• Don’t show growth, division, metabolism and lack respiration.


• High specific gravity


• Don’t follow Robert Koch’s postulate


• Cannot be grown under “in vitro” condition.


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