Chemical composition of lipids.
- Chemical composition of lipids. What are the subunits that nucleic acids are made of? Briefly explain the difference between DNA and RNA.
- How is the chemical composition of lipids different than the three other macromolecules? Name one reason why we need fat in our diet.
- Briefly describe three different roles of proteins in your body and name one type of food that you eat that has high protein content.

