How can a lipid be distinguished from a sugar? Top 1000 Questions How can a lipid be distinguished from a sugar?a) Lipids are mostly nonpolar.b) Lipids are mostly saturated.c) A lipid dissolves in water.d) A lipid is made up of only hydrocarbons.Answer: a) Lipids are mostly nonpolar. Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+