Main component of cell membranes

A type of nitrogenous base that contains two organic rings

Storage polysaccharide found in liver and muscle cells of animals 

Lipid that is the precursor to steroid hormones in animals

Polysaccharide stored as granules in plant cells

Globular quaternary transport protein found in red blood cells

Lipid composed of a glycerol molecule and three fatty acids

Fibrous quaternary structural protein found in animal tendons and ligaments

A protein involved in condensing DNA

Sugar component of ribonucleic acid

Structural polymer made of glucose and nitrogen groups; found in arthropod exoskeletons

Sugar with its carbonyl group at the end of the carbon skeleton