| A | B |
| Definition of Carbohydrates | starches and sugars |
| Definition of Lipids | fats |
| Definition of Proteins | amino acid chains |
| Definition of Nucleic Acids | unit of DNA and RNA |
| Function of Carbohydrates | provide energy |
| Function of Lipids | store & provide energy, insulation |
| Function of Proteins | many, including structural material |
| Function of Nucleic Acids | carry base pairs in DNA and RNA |
| Definition of Fatty Acid | unit of a lipid |
| Definition of Monosaccharide | simple sugar |
| Definition of Oligosaccharide | multiple simple sugars combined |
| Definition of Polysaccharides | large carbohydrates, often branched |
| Function of Monosaccharides | quick energy, palatability |
| Function of Polysaccharides | long term energy release, structural materials |
| Definition of Triglycerides | three fatty acids attached to a glycerol molecule |
| Definition of Saturated | hydrogen molecules bonded to carbon at each possible location |
| Definition of Unsaturated | carbon to carbon double bonds, some sites free of hydrogen |
| Definition of Enzymes | proteins that act as catalysts for chemical reactions |
| Definition of Catalyst | facilitates a process |