Biology 1406 Chapter 3 questions & answers

Biology 1406 Chapter 3 questions & answers Amino Acid - correct answer monomer of a protein; has a central carbon or alpha carbon to which an amino group, a carboxyl group, a hydrogen, and an R group or side chain is attached biological macromolecule - correct answer large molecule necessary for life that is built from smaller organic molecules carbohydrate - correct answer biological macromolecule in which the ratio of carbon to hydrogen and to oxygen is 1:2:1; carbohydrates serve as energy sources and structural support in cells and form the a cellular exoskeleton of arthropods cellulose - correct answer polysaccharide that makes up the cell wall of plants; provides structural support to the cell dehydration synthesis - correct answer (also, condensation) reaction that links monomer molecules together, releasing a molecule of water for each bond formed deoxyribonucleic acid (DNA) - correct answer double-helical molecule that carries the hereditary information of the cell disaccharide - correct answer two sugar monomers that are linked together by a glycosidic bond enzyme - correct answer catalyst in a biochemical reaction that is usually a complex or conjugated protein glycogen - correct answer storage carbohydrate in animals