Biology

attraction between molecules of the same substance

attractin between molecules of different substances; in plants: attraction between unlike molecules

material composed of two or more elements or compounds that are physically mixed together but not chemically combined

mixture of two or more substances in which the molecules of the substances are evenly distributed

substance that is dissolved in a solvent to make a solution

substance in which a solute is dissolved to form a solution

mixture of water and nondissolved materials

measurement system used to indicate the concentration of hydrogen ions (H+) in solution; ranges from 0 to 14

compound that forms hydrogen ions (H+) in solution

compound that produces hydroxide ions (OH-) in solution

weak acid or base that can react with strong acids or bases to help prevent sharp, sudden changes in pH

small unit that can join together with other small units to form polymers

large compound formed from combinations of many monomers

compound made up of carbon, hydrogen, and oxygen atoms; major source of energy for the human body

single sugar molecule

large macromolecule formed from monosaccharides

macromolecule made mainly from carbon and hydrogen atoms; incleds fats, oils, and waxes

macromolecule containing hydrogen, oxygen, nitrogen, carbon, and phosphorus

monomer of nucleic acids made up of a 5-carbon sugar, a phosphate group, and a nitrogenous base

singe-stranded nucleic acid that contains the sugar ribose

nucleic acid that contains the sugar deoxyribose

macromolecule that contains carbon, hydrogen, oxygen, and nitrogen; needed by the body for growth and repair and to make up enzymes

compound with an amino group (-NH2) on one end and a carboxyl group (-COOH) on the other end