Viruses are composed of A only protein B nucleic acid protei
Viruses are composed of
| A. only protein. | 
| B. nucleic acid, protein, and sometimes lipid. | 
| C. RNA and lipid. | 
| D. only nucleic acid. | 
| E. DNA and protein. | 
Solution
Viruses known as a particle between the living and non living infectious agents. They have all the variety of composition starting from only protein to DNA, RNA , Lipid and more.
A complete infectious virus paricle known as Virion made up of Nucleic acid (DNA or RNA) surrounded by subunits of Capsomers made out of Proteins. They sometime also contains envelopes made out of Lipid.
So here the option B would be the best choice to describe Viruses.

