SUBJECT INDEX 



203 



repression 132 



synthesis of respiratory enzymes 143 



tryptophane-less mutants 7 et seq., 

 10, 16, 21 



tryptophane synthetase synthesis 90 



tyrosinase 22, 132 

 Nitrous Acid ; see Deamination 

 Nuclei of Acetabularia mediterranea 50 



of Amoeba proteus 49 



effect of chloramphenicol upon 1 1 1 



incorporation of amino acids 55, 57 



isolation of 55 



of lethal hybrids 154 



and protein synthesis 48 et seq., 56 



ribosomes from 48 



and RNA synthesis 85, 87, 89 



transfer of 153, 154 

 Nucleoli basophilia 40 



^H cytidine incorporation into 63 



RNA 40, 65, 86, 88 



RNAse action 71 



UV irradiation 89 



Onion Root, effect of RNAse 71 



"Operator" 135, 136 



Operon 135 



Orotic Acid 86, 88 



Ovalbumin non uniform labelling 114 



Palade Granules 45, 46, 68 



see Ribosomes 

 Pantothenic Acid synthesis 96 

 Penicillinase constitutive 77, 128 



induced synthesis 127 et seq. 



induction by extract 134 

 Pentosuria 10 

 Pepsinogen 123 

 Peptides association of polypeptides 123 



as intermediates in protein synthesis 



113, 114 

 linked with nucleotides 116 

 peptide-bond formation 93 et seq., 99 

 and the template hypothesis 117 

 Permeases 138, 139, 149, 162 

 Peroxidases induction in yeasts 137 

 "pH 5 enzymes" loi, 102, 109 

 Phosphatase, 



effect of F-uracil on synthesis 74 

 synthesis in enucleate cytoplasm 49, 

 52 



Phosphorylase 



hereditary deficiency 10 

 synthesis in enucleate cytoplasm 52 

 transformation 123 

 Phosphorylation 



inhibition by DNAse 58 

 necessary for concentration mechan- 

 ism and protein synthesis 93, 95 

 and peptide synthesis 93 

 Pigment Cell Formation 156 

 Pigment Heredity ; see Flower pigments 



and Eye pigments 

 Plakalbumin 1 14 

 Plants 



amino acids activation in 97 

 amino acids incorporation into 54 

 chloroplasts enzymes 144 

 free peptides 113 

 hydroxyproline formation 123 

 ribosomes 46, 47 

 soluble RNA 103 

 see also Algae, Chloroplasts 

 Plasmagene 146 

 Plastein 92 

 Pleiotropy 20 

 Pneumococci 

 as antigens 158 

 transformation 23 

 Poliomyelitis Virus 26, 27 

 Polyadenylic Acid, restoration of amino 



acids incorporation 58 

 Polyethylene Sulphonate restoration of 



amino acids incorporation 58 

 Proteins 



abnormal 10, 79 



association in structures 125 



folding of the molecule 122 



a-helix i 



inhibition of synthesis by analogues 



69 

 of the lens 151 

 structure i et seq., 22 

 synthesis in chloroplasts 54 



in enucleate cytoplasm 48 et seq. 



in E. Colt 62 



in growing bacteria 95, 120 



inhibition by RNAse 108 



in mitochondria 53 



in nucleus 55, 57 



specificity 78 



during differentiation 150, 155 



