| A | B |
| monomers of carbohydrate | monosaccharides |
| polymer of carbohydrate | polysaccharide |
| function of carbohydrate | main energy source |
| monomers of lipid | fatty acids and glycerol |
| functions of lipid | long-term energy, insulation |
| monomers of nucleic acid | nucleotides |
| polymer of nucleic acid | polynucleotide |
| function of nucleic acid | transmit genetic information |
| monomers of protein | amino acids |
| polymer of protein | polypeptide |
| functions of protein | build structure, fight diseases, cellular transport |
| enzyme | protein that speeds up chemical reactions |
| hydrolysis | the breaking apart of a polymer by the addition of water |
| polymerization | the process in which monomers are joined together to form polymers |
| monomer | small unit that can join together with other small units to form polymers |
| polymer | large compound formed from combinations of many monomers |