Lipids Long term NRG (think hibernating bears) + Insulation (keeps ya warm) Monomer (single unit) - Fatty Acid Polymer - doesn’t form naturally Examples - fats, oils, waxes, steroids Carbohydrates (Carbs, Sugars) Short term NRG (think candy, sprinters) Monomer (single unit) Monosaccharide Polymer - Polysaccharide Examples - fruct-ose, sucr-ose, gluc-ose Proteins (the BUILDING BLOCKS) Structure/Repair, Speed Up Chemical RXNs (Enzymes) Monomer (single unit) - Amino Acids Polymer - Amino Acid Chain Example - Enzymes (Amyl-ase) Nucleic Acids Store Information (the hard drive); D-NA/R-NA Monomer (single unit) - Nucleotide Polymer - Nucleic Acids Example - DNA, RNA, ATP