272 



INDEX 



Peroxidase, 



reaction equations, 38, 39, 42 



reaction velocity constants, 38 

 PH 



effect on fiber tension, 87-93 



intracellular, 96, 99 

 Phospho-enol pyruvate (PEP), 87, 89 

 Phosphorylation, role in muscle, 85, 86 

 Photoperiodism, 169 



pH-pressure dependence, of ATP-ase ac- 

 tivity, 72-75 

 pH-temperature dependence, of muscle 



tetanus, 95-97 

 Physostigmine, 52 

 pK, 73-77, 88-90, 102. 108 

 Plant hormones, 163-166 

 Pneumococcus, 132, 134, 

 Polypeptide chains, unfolding of, 10-12 

 Polypeptides, 2 

 Potassium block 



in nerve, 175-179, 182-188, 196 



secondary, 177-179, 181-183 

 Potassium, effect on 



muscle tension, 101 



nerve activity, 175-198 



pressure effect, 94, 95 

 Pressure-centrifuge, 112 

 Pressure contracture, 94, 95 

 Pressure, hydrostatic 



background of research on, ix-xiii 



pH-dependence of effects, 72-75 



temperature-dependence of effects, 72- 

 124 

 Pressure, hydrostatic, effect on 



ATP-ase activity, 72-80 



bacterial luminescence, xii 



bioluminescence, 71, 72 



cell division, 100, 101, 111-125 



conduction velocity, 215 



cortical gel, 93 



dividing eggs, 113-115 



egg cleavage, 100, 101 



folding and unfolding, 71, 72 



gel structure. 111, 112 



isometric twitch, 97-106 



membrane impedence, 216, 217 



membrane resistance, 217 



muscular contraction, xi-xiii, 83-108 



j3-myosin gels, 93 



narcotic action, xi-xiii 



narcotized axon, 217-219 



nerve activity, xii, 201, 208, 209. 215- 

 219 



nodal action current, 215-217 



protoplasmic contractility, 118-125 



reactions in muscle, 85 



SOL-gel changes, 86, 93, 100. 101. 111- 

 125 



spontaneous impulses, 216 



tadpole narcosis, xii 



tension development, 94 



tetanus tension, 97 



treppe heart, 100, 101 

 Pressure-temperature dependence ( see 

 also Temperature-pressure ) 



of auricular tension. 100, 101 



of cortical gel solation, 100. 101 



of egg cleavage, 100, 101 



of furrowing. 116. 117 

 Prostigmine, 49, 52 



Protein denaturation, 9-23, 37, 49, 50, 56, 

 69, 143 



definitions of. 9-12, 22 



in physiological processes, xi-xii 



structural changes in, 10-23 



volume change in. 13 

 Protein denaturation, reversible, 12, 37, 49, 

 50, 66, 71-80, 86 



in bacterial luminescence, xi 

 Proteins 



folding or unfolding of, 10-12, 14, 15, 

 18, 20-23, 71, 72, 93. Ill, 124 



general structure, 10 



optical activity of, 20 



shape properties of, 12, 13 



short range properties, 12-15 

 Proteus, 69 

 Proteus morganii, 63 

 Proteus rettgeri, 63 

 Proteus vulgaris, 61, 62, 64-68 

 Protoplasmic contractility, 118 

 Protyrosinase, 61 

 Pseudomys elegans, 102 

 Psoas, 83 



Pyropliosphatase, 63, 65-69 

 Pyrophosphate, enzyme stabilization by, 



67-69 

 Purkinje fibers, 209 



Qio , of 

 cholinesterase activity, 48, 51, 56 

 conduction velocity, 201, 214 



