Question

Why do virus infest a host cell?

Answer 1

Viruses depend on the host cells that they infect to reproduce. When found outside of host cells, viruses exist as a protein coat or capsid, sometimes enclosed within a membrane. The capsid encloses either DNA or RNA which codes for the virus elements.

Answer 2

well as they can't survive without a host ...... when inside a host virus is living whereas when outside it's not that active
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