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Asked by Lakshmi Rajan 24th February 2013, 11:56 AM
Answered by Expert
Viruses are not classified in any kingdom yet because they are not really alive. They only show signs of life after they infect a host cell. Virus is a lifeless particle that does not carry out any metabolic functions on its own and cannot reproduce on its own until it invades a living host cell.
Answered by Expert 25th February 2013, 9:41 AM
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