Fact 1: Viruses are not cells. Fact 2: Viruses include the Tobacco Mosaic Virus. Given the two facts above, what is not made up of cells?
Options are: 1. an object. 2. Veins and arteries.. 3. Tobacco mosaic. 4. an organism's body. 5. Conifers. 6. sensory neurons. 7. layers of fat. 8. the digestive system.
3.