1. Biomolecule composed of Carbon, Hydrogen and Oxygen in a ratio of 1:2:1 Monosaccharides - Glucose - C 6 H 12 O 6 - Fructose Disaccharide -Sucrose Polysaccharides -Starch -Glycogen -cellulose Used by cells to provide energy Function Monomer Composition Amino acids held together by peptide bonds Examples

2. Large biomolecule composed of Carbon, Hydrogen with a small amount of oxygen Glycerol and Fatty Acids Cholesterol -HDL -LDL Fats Used as energy storage, insulation, protective coverings and cell membranes

3. A large complex polymer composed of Carbon, Hydrogen, Oxygen, Nitrogen and sometimes Sulfur. Amino Acids Hair Finger Nails Muscle Hemoglobin (blood) Immunity (antibodies) Provides structure for tissues and organs and helps carry out cell metabolism Regulates metabolism - Enzymes change the rate of chemical reactions.

4. Complex biomolecule composed of Carbon, Hydrogen, Oxygen, Nitrogen and Phosphorus. Nucleotide DNA RNA DNA codes for the making of proteins  enzymes 3 Parts - Simple Sugar - Phosphate Group - Nitrogen Base DNA forms the genetic code that determines how an organism looks and acts