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3.compound that prevents sharp, sudden changes in pH
4.dissolving substance in a solution
6.substance that is dissolved in a solution
7.macromolecule that contains carbon, hydrogen, oxygen, and nitrogen; needed by the body for growth and repair
8.simple sugar molecule
9.compound with amino group on one end and a carboxyl group on the other end
11.attraction between molecules of the same substance; the action or fact of forming a united whole
13.scale w/values from 0-14 used to measure concentrations of H* ions in solution; pH of 0-7 is acidic; pH of 7 is neutral; pH of 7 to 14 is basic
14.material composed of two or more elements or compounds that are physically mixed together but not chemically combined
16.macromolecule containing hydrogen, oxygen, nitrogen, carbon, and phosporous
18.small chemical unit that makes up a polymer
1.subunit of which nucleic acids are composed; make up of a 5-carbon sugar, a phosphate group, and nitrogenous base
2.compound made up of carbon, hydrogen, oxygen atoms; type of nutrient that is the major source of energy for the body
4.mixture of water and non-dissolved material
5.weak attraction between a hydrogen atom and another atom; weak bond between 2 molecules resulting from an electrostatic attraction between proton in one molecule and an electronegative atom in the other
9.force of attraction between different kinds of molecules
10.compound that produces hydroxide ions in solution; solution with pH of more than 7
12.type of mixture in which all the components are evenly distributed
15.compound that forms hydrogen, ions(H*) in solution; a solution with a pH of less than 7
17.macromolecule made mostly from carbon and hydrogen atoms; includes fats, oils, and waxes

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