| A | B |
|---|
| carbohydrates | organic compound composed of carbon,hydrogen, and oxygen with a h:O ratio of 2:1 |
| monosaccharide | simple sugar |
| disaccharide | 2 monosaccharides joined together |
| polysaccharide | 3 or more monosaccharides joined together |
| proteins | organic compounds composed of carbon, hydrogen,oxygen,& nitrogen |
| amino acids | 20 different monomers of proteins |
| lipids | nonpolar organic molecule that does not dissolve in water |
| fatty acids | monomers of lipids |
| nucleic acids | store hereditary information for organisms |
| adinosine triphosphate | life process require a constant supply of energy |
| glucose | main energy source for cells |
| fructose | found in fruits |
| galactose | found in milk |
| sucrose | made of glucose+fructose |
| lactose | made of glucose+galactose |
| glycogen | stored in animal cells |
| starch | stored in plant cells |
| cellulose | stored in plant cells |
| dipeptide | 2 amino acids joined together(trough condensation rxn) |
| peptide bond | covalent bond holding amino acids together |
| polypeptide | long chains of amino acids;form proteins |
| enzymes | most are proteins |
| carboxyl end | polar & hydrophilic(water-loving) |
| hydrocarbon end | nonpolar & hydrophobic (water-fearing) |
| saturated | each carbon is covalently bonded to 4 atoms |
| unsaturated | carbon forms double bonds instead |
