carbs
-> monomer = monosaccharides
-> polymer = polysaccharides
-> elements = Carbon, Hydrogen, Oxygen
Lipids
-> monomer = fatty acids + glycerol
-> polymer = triglycerides
-> elements = Carbon, Hydrogen, Oxygen
Proteins
-> monomer = amino acids
-> polymer = polypeptides
-> elements = Carbon, Hydrogen, Oxygen, Nitrogen, Sulphur (sometimes)
Nucleic acids
-> monomer = nucleotides
-> polymer = DNA/RNA
-> elements = Carbon, Hydrogen, Oxygen, Nitrogen, Potassium