Organism as a wholePutnam, 1916 - 379 pages |
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Page 12
... resulting from the presence of photosensitive substances " adaptation . " In this book other examples are given which show that authors have too often spoken of adaptation to environment where the en- vironment was not responsible for ...
... resulting from the presence of photosensitive substances " adaptation . " In this book other examples are given which show that authors have too often spoken of adaptation to environment where the en- vironment was not responsible for ...
Page 17
... results of his observations on sulphur bacteria it occurred to Winogradsky that the presence of organic compounds stood in the way of raising these bacteria , and this idea proved correct . The bacteria oxidizing am- monia to nitrites ...
... results of his observations on sulphur bacteria it occurred to Winogradsky that the presence of organic compounds stood in the way of raising these bacteria , and this idea proved correct . The bacteria oxidizing am- monia to nitrites ...
Page 18
... results of various experiments as shown in Table I. TABLE I No. 5 No. 6 No. 7 No. 8 mg . mg . mg . mg . Oxidized N. Assimilated C .. 722.0 506.1 928.3 815.4 19.7 15.2 26.4 22.4 Ratio N : C. ............ . 36.6 33.3 35.2 36.4 It is ...
... results of various experiments as shown in Table I. TABLE I No. 5 No. 6 No. 7 No. 8 mg . mg . mg . mg . Oxidized N. Assimilated C .. 722.0 506.1 928.3 815.4 19.7 15.2 26.4 22.4 Ratio N : C. ............ . 36.6 33.3 35.2 36.4 It is ...
Page 26
... result that certain hydrolytic enzymes may have a synthetic action but not in the manner suggested by van't Hoff . I The principle enunciated by Armstrong , that in the synthetic action of hydrolytic enzymes not the origi- nal compound ...
... result that certain hydrolytic enzymes may have a synthetic action but not in the manner suggested by van't Hoff . I The principle enunciated by Armstrong , that in the synthetic action of hydrolytic enzymes not the origi- nal compound ...
Page 36
... results there appeared no reason to doubt that the experiment might have been successfully prolonged for a still longer period . Paul Becquerel3 found that seeds which possess a very thick integument may live longer than the grain in ...
... results there appeared no reason to doubt that the experiment might have been successfully prolonged for a still longer period . Paul Becquerel3 found that seeds which possess a very thick integument may live longer than the grain in ...
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agglutination animals annelids Arbacia Arch artificial membrane artificial parthenogenesis assumption bacteria Biol blastomeres blood body butyric acid cell division chapter characters chemical chromosome concentration contained cortical layer cytolysis definite determined digestion disintegration Driesch effect egg of purpuratus embryo enter the egg Entwcklngsmech enzyme existence experiments eyes f. d. ges fact female fertilized fish foreign species franciscanus frog Fundulus genus give rise graft groups grow growth heliotropic hemoglobin heredity hermaphroditic hybrids hypertonic solution idea induce Jour lack of oxygen large number larvæ latter light Lillie lipoids living matter Loeb male Mendelian heredity normal sea water nucleus observed ovaries oxidations parthenogenesis permeability phenomena phenomenon physicochemical Physiol pigment plants polyp positively heliotropic possible produced proteins protoplasm pure reaction regeneration result rôle salts sea urchin sea water sea-urchin egg segment serum shown sperm spermatozoön spermatozoön enters starfish Strongylocentrotus substances synthesis theory tion tissue transplanted unfertilized egg Wasteneys X chromosome