You are presented with the question "What is not made up of cells?" and the following answer choices: 
- an object
 - Veins and arteries.
 - Tobacco mosaic
 - an organism's body
 - Conifers
 - sensory neurons
 - layers of fat
 - the digestive system

Now knowing that viruses are not cells and viruses include the Tobacco Mosaic Virus, choose the best answer.


 

   Tobacco mosaic      