Fact 1: Viruses are not cells at all, so they are neither prokaryotes nor eukaryotes.

Fact 2: Influenza viruses are classified as orthomyxoviruses.

Given the two facts above, answer the question "Which is not a cell?" with the following options: 
- cigarettes
 - Chlorophyll
 - Leptospirosis
 - layers of fat
 - an object
 - anemia
 - all matter
 - influenza


 

        influenza 