Question

Select all that apply

Answer 1

Correct answer: Always parasitic, contains DNA and RNA, cannot reproduce on their own

A virus is a small microscopic parasite that cannot reproduce on their own, it can only replicate them self by hijacking the host machinery. Most of the viruses contain either DNA or RNA as the genetic material.

There are many viruses that are known to cause diseases to the human, one of the common virus is an influenza virus that causes flu. other example includes Ebola, Hepatitis, Polio virus

Answer 2

Viruses are made of RNA or DNA
cannot realways parasitic
produce on their own