A Virion is Composed Of

Question

A virion is composed of
A)lipid, protein, and either RNA or DNA.
B)protein and either RNA or DNA.
C)protein and both, RNA and DNA.
D)protein, either RNA or DNA, and possibly lipid.

Accepted Answer

A virion is composed of a nucleic acid genome (either RNA or DNA) and a protein coat called a capsid. Some virions also have a lipid envelope derived from the host cell membrane. Therefore, the best choice is D, which includes all the components of a typical virion.