-OH

bonded to carbon skeleton or organic molecule

compound name: alcohols

polar

can form hydrogen bonds with water

>CO

ketones-within carbon skeleton

aldehydes-end of carbon skeleton

polar

-COOH

carboxylic acids

acts as acid

hydrogen bonds-polar (?)

-NH2

amines

acts as base

hydrophilic

-SH

thiols

help stabilize protein structure

polar (?)

-OPO32-

organic phosphates

hydrophilic, polar

-CH3

methylated compounds

nonpolar (?)