molecular subunit of a polymer.
large, carbon-based molecule formed by monomers.
molecule composed of carbon, hydrogen, and oxygen; includes sugars and starches.
nonpolar molecule composed of carbon, hydrogen, and oxygen; includes fats and oils.
hydrocarbon chain often bonded to glycerol in a lipid.
polymer composed of amino acids linked by peptide bonds; folds into a particular structure depending on bonds between amino acids.
molecule that makes up proteins; composed of carbon, hydrogen, oxygen, nitrogen, and sometimes sulfur.
polymer of nucleotides; the genetic material of organisms.
chemical bond formed when two atoms share one or more pairs of electrons.
inorganic material, such as calcium, iron, potassium, sodium, or zinc, that is essential to the nutrition of an organism.
organic molecule that works with enzymes to regulate cell function, growth, and development.
measure of energy released from diagesting food; one Calorie equals one kilocalorie of heat.