Most of the macromolecules are present in everyday life, for instance in food. Learn about biological macromolecules. There are several types of biological macromolecules: Carbohydrates, Proteins, Lipids and Nucleic acids. All macromolecules, except lipids, are polymers. A polymer is a long molecule composed of chains of monomers. In this worksheet, students draw the Lewis dot structure for each element, molecule, and compound. Answer the Following The questions in this printable exercise include defining the laws of conversation of mass and constant proportions, explaining the two types of ions, and telling between isotopes and isobars. Chromebook recovery utility unable to unzip file