344 



Index 



Progesterone, 90 

 Prophage, 36, 101 

 Propiolic acid, 5, 12 

 Prosthetic groups, 73, 235 

 Proteinases, 114 

 Proteins, 72, 270 



as antigens in phage, 98 



as blood substitutes, 57 

 Protoporphyrins, 241 

 Protoverine, 308, 318 

 Pseudogermine, 318 

 Pseudosantonin, 3 

 Pyrimidine nitrogen, 229 

 Pyrophosphate, AH of, 110, 111 



Quinones, 2 



D-Quercitol, see Deoxy-?/iuco-inositol 



Radiation, 36, 122 



as inducer, 101 



effect on transforming principle, 334 



of leucovorin, 52 

 "Reactive" amino acids, 109, 223 

 Rearrangement, mycomycin-isomyco- 

 mycin isomerization, 6 



of peptides, 278 



of veratrum alkamines, 311 

 Reformatskii reaction, 24 

 Ribonuclease, amino acids in, 113, 276 



hydrolysis of by trypsin, 281 



ionic behavior, 271 

 Ribonucleic acid, in bacteria, 100, 103 



in viruses, 94 

 Rockogenin, 320 

 Rous sarcoma, 124 

 Rubber biosynthesis, 23 

 Rubijervine, 308, 310, 311 



Saccharic acids, 182 



Safranine method for peptide determi- 

 nations, 62 



Salmonella ty-phimurium, transduction 

 in, 105 



Santonin, 3 



Sapogenins, 319 



Sarcoma, Rous, 124 



Scyllitol, 182, 183, 191 



Sedoheptuloso-7-phosphatp. 263 



Selenium rlehydrogenation, 309, 311 



Sesquiterpenes, 3 



Slukimic acid, 259 



degradation scheme, 260 

 Solanidine, 309, 310, 311 

 Sjiinulosin, 3 



Squalene, 22, 23, 31, 32, 139 

 Stereoisomerism, 156 



in terpenes and steroids, 31, 32 

 Steric selectivity, 156 

 Steroid hormones, 86 

 Steroids, 85, 320 



biosynthesis of, 23, 24, 25 

 Structure of proteins, 270 

 Substrate bonding, 129, 232 



see also Ogston hypothesis 

 Succinate, "active," 249 



in porphyrin synthesis, 241 

 Succinate-glycine cycle, 250 

 Sulfhydryl groups, in ferritin, 203, 204 



in peptides, 276 

 Sulfonamide effect on bacterial growth, 



81 

 Symmetry, 101, 169 



S3^nchrony in bacterial multiplication, 

 81 



D-Talomucic acid, 183 



Tartaric acid in enzymatic process, 167 



Temperate virus, 101 



Temperature effect on temperate pro- 

 phage, 102 



"Template" hypothesis, 111, 75 



Terpenes, 22, 23 



Tetrapyrrole, 255 



Tetrazoles, 141 



Tetrose phosphate, 263 



Thiol esters, 109 



Thiolytic cleavage, 135 



Thiomalic acid as inducing agent, 101 



Three-point attachment, see Ogston 

 hypothesis 



Thymidylic acid in E. coli, 82 



Thymine metabolism, 77 



Tissue culture, oxygen requirement for, 

 121 



Transaldolase, 262 



Transamidation, 115 



Transduction in Salmonella typhimu- 

 rium, 105 



Transformation, multiple, 332 

 principle, 325 



