Question

what is meant by virus​

Answer 1

Answer:

Virus: A microorganism that is smaller than a bacterium that cannot grow or reproduce apart from a living cell. A virus invades living cells and uses their chemical machinery to keep itself alive and to replicate itself. ... Viruses may contain either DNA or RNA as their genetic material.

Answer 2

Answer:

Virus: A microorganism that is smaller than a bacterium that cannot grow or reproduce apart from a living cell. A virus invades living cells and uses their chemical machinery to keep itself alive and to replicate itself. ... Viruses cause many common human infections and are also responsible for a number of rare diseases.