| A | B |
| monomer | small unit that can join together with other small units to form polymers. |
| polymer | large compound formed from combinations of many monomers. |
| carbohydrate | compound made up of carbon, hydrogen , and oxygen atoms; major source of energy for the human body. |
| monosaccharide | single sugar molecule. |
| polysaccharide | large macro molecule formed from monosaccharides. |
| lipid | macromolecule made mainly from carbon and hydrogen atoms; includes fats, oils, and waxes. |
| nucleic acid | macromolecule containing hydrogen, oxygen, nitrogen, carbon, and phosphorus. |
| nucleotide | monomer of nucleic acids made up of a 5-carbon sugar, a phosphate group, and a nitrogenous base. |
| ribonucleic acid | single-stranded nucleic acid that contains the sugar ribose. |
| deoxyribonucleic acid | nucleic acid that contains the sugar deoxyribose. |
| protein | macromolecule that contains carbon, hydrogen, oxygen, and nitrogen; needed by the body for growth and repair and to make up enzymes. |
| amino acid | compound with an amino group (----NH2) on one end and a carboxyl group(----COOH) on the other end. |