| A | B |
|---|
| atom smallest portion of an element found in the periodic chart; ex: carbon | oxygen |
| chemical bond a connection made between atoms when electrons are attracted | shared |
| inorganic molecule a molecule that is not organic; most (but not all) do not include carbon; ex: include water (H2O) | ammonia (NH3) |
| macromolecules (macronutrients) the large biomolecules that make up living organisms; include proteins | carbohydrates |
| molecule a chemical combination of two or more atoms that forms a separate substance; for example | one molecule of water (H2O) is made up of two hydrogen atoms and one oxygen atom |
| polymer a long chain of monomers (small | repeating molecules) |
| carbohydrate an organic molecule made up of carbon | hydrogen |
| polysaccharide a polymer of sugar | meaning a long chain of sugar molecules chemically linked together |
| lipids organic molecules made up of carbon | hydrogen |
| wax a type of lipid that is used to waterproof leaves | skin |
| protein an organic molecule with many important functions; the main structural component of muscle | skin |
| metabolic pathway a series of reactions | one after another |
| double helix the shape | similar to a twisted ladder |
| nucleic acid an organic molecule that contains carbon | hydrogen |
| nucleotide a molecule that contains a sugar | a phosphate group |
| aero- air | oxygen |
| bio- | biot- life |
| -bios life | living |
| co-/com-/con- together | with |
| di- | diplo- two |
| endo- within | inner |
| ex- | exo- out |
| gluco- | glyco- sweet |
| hetero- other | different |
| homeo- | homo- same |
| hydra- | hydro- water |
| hyper- over | excessive |
| hypo- under | below |
| -lysis split | loosen |
| sym- with | together |
| -troph food | nourishment |
