| A | B |
| dipeptide | a polymer of a protein consisting of two amino acids linked together |
| disaccharide | a polymer of a carbohydrate consisting of two monosaccharides linked together |
| monosaccharide | the monomer of a carbohydrate; a simple sugar |
| peptide bond | name for bond that joins two amino acids together |
| amino acids | monomers that form proteins |
| nucleotide | the monomer of a nucleic acid |
| phospholipid | a polymer of a lipid; a structural component of the cell membrane that has both hydrophobic and hydrophilic properties |
| polypeptide | a long chain of amino acids; a polymer of a protein |
| hydrophilic | term for water loving molecule or region of molecule |
| hydrophobic | term for water fearing molecule or region of molecule |
| polysaccharide | a polymer of a carbohydrate with many monosaccharides linked together |
| triglycerides | saturated and unsaturated fats |
| isomer | glucose, fructose and galactose - same formula but different shapes |
| wax | lipid that creates a waterproof and protective layer in plants and animals |
| nucleic acids | DNA and RNA two most important types |
| proteins | formed by linkage of amino acids |
| carbohydrates | exist as mono, di and polysaccarides |
| steroid | lipid molecule made of 4 carbon rings |
| lipid | fatty compound made up of carbon, hydrogen and oxygen |
| ribonucleic acid (RNA) | a polymer of a nucleic acid composed of nucleotides linked together |
| substrate | the reactant that attaches to an enzyme in a chemical reaction |
| fatty acid | hydrocarbon chain with a carboxyl group on one end |