Proceedings of the American Philosophical Society Held at Philadelphia for Promoting Useful Knowledge, Том 68American Philosophical Society, 1929 |
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Сторінка 156
... increase in rate of cell division . The next slide gives the percentage mitosis in the same roots . It is clear that cell division is greater in the sulfhydryl fed roots than in their controls . This is clean cut proof that sulfhydryl ...
... increase in rate of cell division . The next slide gives the percentage mitosis in the same roots . It is clear that cell division is greater in the sulfhydryl fed roots than in their controls . This is clean cut proof that sulfhydryl ...
Сторінка 158
... increase . Moreover trauma increases cell division as Haberlandt and Reiche have shown , and I have found that ... increase in cell number because the oxygen demand of this process is great and the needs are peculiarly supplied by this ...
... increase . Moreover trauma increases cell division as Haberlandt and Reiche have shown , and I have found that ... increase in cell number because the oxygen demand of this process is great and the needs are peculiarly supplied by this ...
Сторінка 251
... increase in length of the prothorax from one moult to another is on an average the cube root of 2 , or 1.26 , while increase in area is at the rate of the square root of 2 ( 1.41 + ) . The biological stages follow a geometrical ...
... increase in length of the prothorax from one moult to another is on an average the cube root of 2 , or 1.26 , while increase in area is at the rate of the square root of 2 ( 1.41 + ) . The biological stages follow a geometrical ...
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Saxifraga Tolmiei Torr Gray a screecoverer | 20 |
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104 SOUTH FIFTH AMERICAN PHILOSOPHICAL SOCIETY amoeba Anax junius animals apple Babur Bābur's body botanical Bradbury Bradbury's Campos do Jordão carnivores cell division cell number changes chemical compounds Congress consolidation container Corixids death discovery disease ductless glands effect ether waves exuvia fact forest frequency genes genetics gravitation growth by increase growth factors growth in length gudermannian heat human hyperbolic angle hyps increase in cell influence instar interest Interstate Commerce Commission Jefferson larva larvæ lead Liverpool living Louis Mayfly Mayfly larvæ mean sealevel ment mitosis moults mountain Mousterian Nannothemis bella nature normal observed organism oxidation Oxyaena Palaeonictis paper Philadelphia photographs plate potential prehistory present protoplasm radians railroad Read April result root Rousseau savannas scree scree plants Serra short line silicate skeleton slide species specimen stimulated sulfhydryl talus tion tissue trees tuberculosis tumors vegetation