? 2017 Pearson Education, Inc. Lecture Presentations byNicole Tunbridge and Kathleen Fitzpatrick Chapter 5The Structure and Function of Large Biological Molecules 1 The Molecules of Life All living things are made up of four classes of large biological molecules: carbohydrates, lipids, proteins, and nucleic acids Macromolecules are large molecules and are complex Large biological molecules have unique properties that arise from the orderly arrangement of their atoms ? 2017 Pearson Education, Inc. Concept 5.1: Macromolecules are polymers, built from monomers A polymer is a long molecule consisting of many similar building blocks The repeating units that serve as building blocks are called monomers Carbohydrates, proteins, and nucleic acids are polymers ? 2017 Pearson Education, Inc.