140 



SUBJECT INDEX 



in protein synthesis during develop- 

 ment, 87 

 of RNA, 



effects of lithium on, 70 

 and nuclear differentiation, 89, 

 90 

 of — SH groups, during develop- 

 ment, 85 

 Guanosine diphosphate, 45 

 Guanosine triphosphate, 23, 24, 45 



Heart, 



correlation between basophilia and 



amino acid incorporation in, 5 

 RNA content of, 4, 7 

 Heat shocks (see Shocks, heat) 

 Hemoglobin, in granules of blood 



homogenates, 20 

 Heteroauxin, 5 

 Hexose diphosphate, 30, 32 

 Homogenates, as isolation method 

 for, 

 microsomes, 20 

 nuclei, 96-98, 127, 128 

 Hormones, 

 effects on morphogenesis by steroid, 



68, 69 

 melanophore-expanding, in micro- 

 somes, 20 

 Hybrids, 

 lethal, 



and morphogenesis, 78 

 revitalization in grafts of, 68, 78, 

 88 

 by nuclear transfer in amoebae, 101 

 strains, in viruses, 29 

 Hydroxylamine, 46 

 Hypomorph embryos, 70, 71 



Imaginal discs, 4 



Immunological method for induction, 

 83 



Induced enzyme synthesis (see En- 

 zymes, synthesis, induced) 



Inducing substances, 57-60 



Induction, 

 of lens, 84 



neural, 



by killed tissues, 87 



by RNA or microsomes, 57-60, 



65, 80-87 

 role of cell membrane in, 83-85 

 spinocaudal (mesodermic), 59, 72 

 Influenza virus, 42, 43 

 Insulin, 20 

 Insects, incorporation of amino acids 



into nucleoli in, 98 

 Intercellular matrix (see Matrix) 

 Iodine, 40 



a-Ketoglutarate, 21 

 Kidney, RNA content, 4, 7 

 Krebs cycle (see Tricarboxylic) 



Lactose, 18 



Lampbrush chromosomes, incorpora- 

 tion of amino acids into loops of, 

 98,99 



Lens induction, 84 



Lethal hybrids (see Hybrids, lethal) 



Leucine, 21 



Lieberkiihn glands, amino acid incor- 

 poration in, 6 



Light, effects, on cytoplasmic control 

 of nucleus, 124 



Lithium, effects, on morphogenesis, 

 69,70 



Liver cells, 



amino acid incorporation in micro- 

 somes of, 20 

 RNA content, 4, 7 



Loops (see Lampbrush) 



Lung, RNA content, 7 



Lymph nodes, RNA content, 7 



Lysine, incorporation, into micro- 

 somes, 21 



Lysosomes, 106, 107 



Lysozyme, 32 



Magnesium ions, 23, 24 



Mammals, RNA gradients in eggs of, 

 66 



Matrix uniting cells, 

 effects of versene on, 80, 85 

 role of, in induction, 84, 85 



