| A | B |
| monosaccharide | glucose |
| storage carbohydrate in plants | starch |
| structure polysaccharide in plants | cellulose |
| storage carbohydrate in animals | glycogen |
| starch | polysaccharide found in plants |
| sucrose | table sugar; a disaccharide |
| lactose | milk sugar |
| lipid formed of 5 rings | steroid |
| lipid formed of glycerol and 3 long fatty acid chains | triglyceride |
| unsaturated fat | liquid lipid found in plant oils, such as olive oil |
| saturated fat | butter, lard, other solid animal fats |
| nucleic acid | DNA |
| protein that speeds up chemical reactions | enzyme |
| good sources of protein in food | meat, eggs, fish |
| DNA | molecule that contains information passed from parent to child |
| proteins | structure, carry out many functions in cells |
| ion | atom or molecule with a charge (+ or -) |
| makes up about 70% of your body | H2O |
| element that can form 4 bonds with other atoms | Carbon |
| small molecules that are linked together to form proteins | amino acids |
| nucleotide | subunits that make up nucleic acids |
| pH | measure of the H+ ion concentration in a solution; 0 - 14 |
| hydrophilic | "water loving" |
| hydrophobic | "water fearing" |
| polar | water forms hydrogen bonds because it is this type of molecule |
| nonpolar | oil does not mix with water because it is this type of molecule |