______ hold fats together in biological systems and bond fatty acids to glycerol. 09:05 Structure and Function of Macro-molecules ______ hold fats together in biological systems and bond fatty acids to glycerol.A - AminesB - EthersC - EstersD - HydroxylsE - CarbonylsAnswer: C - Esters Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+