AP BIOLOGY

Detailed explanation-1: -Many macromolecules are made up of smaller molecules called monomers that have been polymerized. Complete answer: The key ingredients of a cell membrane are phospholipids, proteins, and carbohydrate groups which help to form the cell membrane.

Detailed explanation-2: -11.1 Introduction: The Four Major Macromolecules These are the carbohydrates, lipids (or fats), proteins, and nucleic acids. All of the major macromolecule classes are similar, in that, they are large polymers that are assembled from small repeating monomer subunits.

Detailed explanation-3: -The principal components of the plasma membrane are lipids ( phospholipids and cholesterol), proteins, and carbohydrates.