138 



SUBJECT INDEX 



in enucleation experiments, 95, 

 96, 98-100, 104, 105, 108, 124 

 on gradients in protein synthesis, 87 

 on lithium distribution in treated 

 gastrulae, 69 

 Avian pest, 42 

 Axolotl, 59 

 8-Azaguanine, 28 

 Azide, 44 



Bacillus megaterium, 



protoplasts, 32 



sensitivity to RNase, 41, 42 

 Bacteria, 



RNA content, 4, 7, 8 



RNA, DNA and protein synthesis 

 in, 17-19 

 Basophilia, 



correlation between, 



and amino acid incorporation, 5, 



126 

 and RNA content, 7 



effects of enucleation on, 102 



of RNase-treated cells, 38-41 

 )S-Benzimidazole, effects of, on regen- 

 eration in enucleated Acetabularia, 



115 

 Bile salts, for isolation of "small ribo- 



nuclein particles", 20 

 Brain, RNA content, 7 



Calcium ions, associated with ribo- 

 nucleoproteins in intercellular ma- 

 trix, 85 



Cancer, interest of RNase in the 

 chemotherapy of, 41 



Cap formation, in enucleated Acetab- 

 ularia, 117, 118 



Carbon dioxide (COg) incorporation, 

 gradients of, during development, 



65 

 into RNA and proteins after enu- 

 cleation, 105, 114, 118,119, 126 



Catalase, induced synthesis, 19, 31, 

 120 



Cellophane membrane, effects on in- 

 duction, 82-84, 87 



Cells, 



dissociation, 80, 85, 88 

 follicle (see Follicle) 

 matrix uniting, 80, 84, 85 

 membrane of, 



pinocytosis by (see Pinocytosis) 

 role in induction, 83-85 



Centrifugation, effects of, on morpho- 

 genesis, 70, 71 



Chick, 



gradients of RNA in eggs of, 66 

 incorporation in, 



of amino acids into nuclear pro- 

 teins, 100 

 of glycine into microsomes, 21 

 inhibition of development by syn- 

 thetic nucleosides, 68 



p-Chloromercuribenzoate, 118 



Chloromycetin, 8 



Chloroplasts, 



amino acid incorporation into, 23, 



25 

 control of nucleus by, 124 

 RNA synthesis by, after enuclea- 

 tion, 114, 115 



Chromosomes, 



lampbrush (see Lampbrush) 

 replication, 130 



Ciliates, impermeability to RNase, 41 



Cleavage, in absence of nucleus, 88 



Co-enzymes, production of, by nu- 

 cleus, 129 



Competence, 60, 69 



Conditioned medium, 59, 86 



Connective tissue, amino acid incor- 

 poration in, 6 



Conversion hypothesis, 2 



Cortex, of eggs, 85 



Cyanide, 44 



Cystine, incorporation, into micro- 

 somes, 21 



Cytidine triphosphate, 24 



Cytolysis, sublethal, 77, 86 



Deoxycholate, for isolation of small 

 ribonuclein particles, 20, 22 



Deoxyribonuclease (DNase), effects 

 of, on chloroplasts, 32 



