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Carbohydrates Lipids Proteins Nucleic acids Monomers Monosaccharide One glycerol, 3 fatty acids Amino Acid Nucleotide Polysaccharide Lipid or Triglyceride Protein or Polypeptide Nucleic acid or polynucleotide C, H, O 1:2:1 Primarily C, H also O CHON CHONP Polymers Contains the atoms: Bonding Mono = one monosaccharide Di = two disaccharide Poly = many Polysaccharide Saturated = no double bond Unsaturated = At least one double bond Amino acids held together by: Peptide Bonds X Use/Importance Main (immediate) energy source Examples Mono = fructose, glucose Di = maltose, lactose Poly = starch, glycogen, cellulose Energy Storage – Long Term Structure Regulate reactions Fight disease Fats, oils, waxes, steroids Keratin Enzymes (sucrase, lactase) Antibodies, muscle Transmit and store genetic information DNA and RNA