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18 Cards in this Set

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monomer
small unit that can join together with other small units to form polymers
polymer
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
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
ribonucleic acid (RNA)
single-stranded nucleic acid that contains the sugar ribose
deoxyribonucleic acid (DNA)
nucleic acid that contains the sugar deoxyribose
protein
macromolecule that contains carbon, hydrogen, oxygen, and nitrogen; needed by the body of 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