Viruses are different from living things in a way that they cannot live outside their host cells for a long time .and become crystalline.
All of the above
Carbohydrates-breads
Lipids-avocados,dark chocolate and cheese
proteins-Eggs,pumpkin seeds,oats
Nucleic acids-shrimp,milk
I had to draw a sodium atom so if i remember correctly there are 11 electrons, 11 protons, and 12 neutrons. Cx Hope I helped.
It provides the reader with your topic and give them a central idea of your writing.