Key Terms

acid 55

adenosine triphosphate (ATP) 32

α carbon atom (Cα) 42

amino acid 42

amphipathic 32

base 55

buffer 55

catalyst 52

chemical potential energy 57

covalent bond 33

dehydration reaction 41

dipole 35

dissociation constant (Kd) 53

disulfide bond 44

endergonic 58

endothermic 59

energy coupling 62

enthalpy (H) 59

entropy (S) 59

equilibrium constant (Keq) 52

exergonic 58

exothermic 59

fatty acids 48

ΔG (free-energy change) 58

hydrogen bond 37

hydrophilic 32

hydrophobic 32

hydrophobic effect 39

ionic interactions 36

molecular complementarity 40

monomer 41

monosaccharide 46

noncovalent interactions 33

nucleoside 46

nucleotide 45

oxidation 63

pH 54

phosphoanhydride bond 61

phosphoglyceride 49

phospholipid 48

polar 34

polymer 41

redox reaction 63

reduction 63

saturated 48

steady state 53

stereoisomer 34

transition state 60

unsaturated 48

van der Waals interaction 38