Test Bank For Human Anatomy And Physiology 2nd Edition Study Guide Graded A+

Ionic bonds result from {Ans: Transfer of electrons from a metal atom to a nonmetal atom}Function of a buffer system {Ans: Prevents large swings in pH when an acid or base is added}Exchange reaction {Ans: AB + CD → BA + DC}Electrically neutral atom with atomic number 8 and mass number 17 has {Ans: 8 protons}Solution that releases 10 times more hydrogen ions than pH 7 {Ans: pH 5}Property of water that helps keep body temperature stabilized {Ans: Heat capacity}Number of electrons in the outermost shell of an atom with 15 electrons {Ans: 5}Effect of a buffer on a solution {Ans: Resists changes in pH}Structural formula N≡N {Ans: Two atoms of nitrogen share three pairs of electrons}Salts are held together by {Ans: Ionic bonds}Biological catalyst that lowers activation energy {Ans: Enzyme}Chemical with repetitive units of phosphate group, nitrogenous base, and ribose sugar {Ans: Nucleic acid}Increased reactant concentration {Ans: Increases rate of reaction}Fatty acid with the most double bonds {Ans: Polyunsaturated fatty acid}Bond responsible for surface tension of water {Ans: Hydrogen bond}Solid blood cells settling out of liquid blood plasma {Ans: Blood is a suspension}Water