| Question | Answer |
| lipid | A fat or oil. |
| metabolism | The total of all chemical reactions that occur within a living organism. |
| monosaccharide | The basic component of carbohydrates. A simple sugar such as glucose is an example. |
| nucleic acid | Composed of nucleotides, these polymers store and translate genetic code in organisms. |
| nucleotide | The basic component of nucleic acids consisting of a simple sugar, a nitrogenous base, and a phosphate group. |
| peptide bond | Amino acids are bound together by these covalent bonds. |
| polysaccharide | Large carbohydrate molecules composed of many sugar molecules. Examples are cellulose, and glycogen. |
| protein | Made up of amino acids, examples of this macromolecule are eggs, meat and fish. |
| RNA | A nucleic acid that is single standed. |
| deoxyribonucleic acid | DNA - contains the information that determines the characteristics of an organism. |
| amino acids | These joined by peptide bonds make proteins. |
| active site | The place where an enzyme and a substrate meet. |
| carbohydrates | Starches and sugars belong to this major macromolecule group. |
| dissaccharide | Two sugars joined together. |
| enzyme | A protein that joins with a substrate and splits it in two. |
| phospholipids | cell membranes are made of this hydrophobic/hydrophilic molecule |
| wax | this lipid forms the waterproof coating on plant leaves |
| steroid | a lipid hormone like testosterone |
| substrates | enzymes act on these |
| fatty acids | unbranched carbon chains that make up most lipids |
| polypeptide | long chains of amino acids;another name for a protein |