Which of the following describes a virus? A. A virus does not have a cell wall, nucleus and eats.

B. A virus has cell, a nucleus and does not eat.

C. A virus does not eat, use energy or have cells.

D. A virus does not have cell, produces carbon dioxide and uses oxygen.

The simplest virions consist of two basic components: nucleic acid (single- or double-stranded RNA or DNA) and a protein coat, the capsid, which functions as a shell to protect the viral genome from nucleases and which during infection attaches the virion to specific receptors exposed on the prospective host cell.

A

Explanation:

A virus has no nucleus or cell wall but it eats.