| Term | Definition |
| carbohydrate | C,H,O 1:2:1 |
| lipid | C.H.O no ratio |
| nucleic acid | C,H,O,N |
| protein | C,H,O,N,P |
| monosaccharide | subunit for carbohydrate |
| fatty acid | subunit for lipid |
| amino acid | subunit for protein |
| nucleotide | subunit for nucleic acid |
| glucose | monosaccharide |
| sucrose | disaccharide |
| starch | carbohydrate storage molecule in plants |
| glycogen | carbohydrate storage molecule in animals |
| cellulose | structural carbohydrate |
| triglyceride | type of fatty acid |
| fat | solid at room temperature/from animal |
| oil | liquid at room temperature/from plant |
| cholesterol | most important streroid to animals |
| cholesteral | precursor to estrogen, testosterone, cortisone |
| DNA | carries genetic information |
| RNA | makes proteins |
| found only in the nucleus | DNA |
| found in the nucleus and cytoplasm | RNA |
| A,T,G,C | nitrogen bases for DNA |
| A,U,G,C | nitrogen bases for RNA |
| amino end and carboxyl end | parts of an amino acid |
| nitrogen base, 5C sugar, phosphate group | parts of a nucleotide |
| peptide bond | joins amino acids |
| dehydration synthesis | when water is also a product in the reaction |
| glucose + fructose = | sucrose + water |
| amino acid + amino acid = | protein + water |
| glucose subunit | polysaccharides |
| fats and oils | types of triglycerides |
| phospholipid | important lipid in cell membranes |
| only 20 | amino acids that exist |
| sucrose | disaccharide |