Composition of Proteins One key way in which proteins differ from carbohydrates and lipids is that proteins contain nitrogen atoms, while carbohydrates and lipids contain only carbon, hydrogen, and oxygen atoms. These nitrogen atoms ...
Composition of Lipids
Composition of Lipids Lipids, like carbohydrates, are composed of carbon, hydrogen, and oxygen atoms, but in differing proportions. One way to determine if a substance is a lipid is to test whether it will ...