All viruses are entirely

All viruses are essentially made up of

All viruses are essentially made up of

All viruses are essentially made up of

All viruses are essentially made up of

Viruses have

Viruses have

State whether True or False:- All viruses are parasites and disease-causing agents.

[A] : All RNA viruses cannot directly multiply in host cells . [R] : RNA viruses need reverse transcriptase to synthesize RNA only .