Question

which of the following structures would be found in both cells and viruses?
protein coat
nucleus
mitochondria
dna

Explanation:

Cells have a variety of structures. Viruses consist of a nucleic - acid core (either DNA or RNA) surrounded by a protein coat. Nucleus and mitochondria are not present in viruses. While some viruses have DNA, not all do (some have RNA). But all viruses have a protein coat and cells also have proteins as part of their structure.

Answer:

Protein coat