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Define a Monomer
A molecule that can be bonded to other identical molecules to form a polymer
Define a Polymer
Molecules made from a large number of monomers joined together in a chain
Define a Macromolecule
Macromolecules are very large molecules that contain 1000 or more atoms, therefore having a high molecular mass
Polymers can be macromolecules but not all macromolecules are polymers
What are the chemical elements that make up biological molecules
C, H and O for carbohydrates
C, H and O for lipids
C, H, O, N and S for proteins
C, H, O, N and P for nucleic acids