Answer: nucleic acid in a virus is enclosed in a capsid.
Explanation: Capsids are made up of protein subunits called protomeres. some viruses have a membrane also known as an envelope that surrounds the capsid and some do not.
Capsid - The capsid is the protein shell that encloses the nucleic acid; with its enclosed nucleic acid, it is called the nucleocapsid. This shell is composed of protein organized in subunits known as capsomers.
