What are 3 examples of macromolecules?

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Examples. The biologic macromolecules are essential to life. All living things are made up of just four macromolecules: proteins, lipids, polysaccharides, and nucleic acids. Proteins are macromolecules made up of amino acid building blocks. read more

A molecule is two or more atoms bonded together chemically. An atom is the most basic unit of matter. When atoms are chemically bonded together with covalent bonds, molecules are formed. read more