Organism as a wholePutnam, 1916 - 379 pages |
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Page vi
... probably by giving rise to special hormones and enzymes . We can cause an egg to develop into an organism without a spermatozoon , but apparently we cannot make a sperm- atozoon develop into an organism without the cyto- plasm of an egg ...
... probably by giving rise to special hormones and enzymes . We can cause an egg to develop into an organism without a spermatozoon , but apparently we cannot make a sperm- atozoon develop into an organism without the cyto- plasm of an egg ...
Page vii
... probably species - specificity are due to specific proteins , while the Mendelian characters may be determined by hormones which need neither be proteins nor specific or by enzymes which also need not be specific for the species or ...
... probably species - specificity are due to specific proteins , while the Mendelian characters may be determined by hormones which need neither be proteins nor specific or by enzymes which also need not be specific for the species or ...
Page 5
... probably clear to him as it must be to everyone with an adequate training in physics that natural selection does not explain the origin of variation . Driesch and v . Uexküll consider the Darwinian theory a failure . We may admit that ...
... probably clear to him as it must be to everyone with an adequate training in physics that natural selection does not explain the origin of variation . Driesch and v . Uexküll consider the Darwinian theory a failure . We may admit that ...
Page 21
... probably carried by the wind . The algæ referred to were accord- ing to Euler of the nostoc type . Nostoc does not re- quire sugar , since it can produce that compound from the CO , of the air by the activity of its chlorophyll . This ...
... probably carried by the wind . The algæ referred to were accord- ing to Euler of the nostoc type . Nostoc does not re- quire sugar , since it can produce that compound from the CO , of the air by the activity of its chlorophyll . This ...
Page 32
... probably many or most other organs are still alive and might continue to live if transferred to another body with circulation and respiration . As a consequence of the lack of oxygen supply in the dead body they will , however , die com ...
... probably many or most other organs are still alive and might continue to live if transferred to another body with circulation and respiration . As a consequence of the lack of oxygen supply in the dead body they will , however , die com ...
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Common terms and phrases
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