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2.3-2.4 notes
Question | Answer |
---|---|
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 |
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 |
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 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 |