| A | B |
|---|
| Monomer | small unit that can join together with other small units to form polymers |
| Polymers | large compound formed from combinations of many monomers |
| Carbohydrate | compound made up of carbon, hydrogen, and oxygen atoms; major source of energy for the human body |
| Monosaccharide | single sugar molecule |
| Polysaccharide | large macromolecule formed from monosaccharides |
| Lipid | macromolecule made mainly from carbon and hydrogen atoms; includes fats, oils, and waxes |
| Nucleic Acid | macromolecule containing hydrogen, oxygen, nitrogen, carbon, and phosphorus |
| Nucleotide | monomer of nucleic acids made up of a 5-carbon sugar, a phosphate group, and a nitrogenous base |
| Deoxyribonucleic Acid | DNA nucleic acid that contains the sugar deoxyribose |
| Ribonucleic Acid | single-stranded nucleic acid that contains the sugar ribose |
| Protein | macromolecule that contains carbon, hydrogen, oxygen, and nitrogen; needed by the body for growth and repair and to make up enzymes |
| Amino Acid | compound with an amino group (−NH2) on one end and a carboxyl group (−COOH) on the other end |
| Chemical Reaction | process that changes one set of chemicals into another set of chemicals |
| Reactant | element or compound that enters into a chemical reaction |
| Product | element or compound produced by a chemical reaction |
| Activation Energy | energy needed to get a reaction started |
| Catalyst | substance that speeds up the rate of a chemical reaction |
| Enzyme | protein that acts as a biological catalyst |
| Substrate | reactant of an enzyme-catalyzed reaction |
| Enzyme-Substrate Complex | a site where reactants can be brought together to react |
