| 1922 - 672 páginas
...egg or of different eggs the Kernplasma-Relation is neither a constant nor a self regulating ratio. It appears to be a result rather than a cause of the rate of cell division, and consequently a variable rather than a constant factor (pp. 24-25). 5. In the tissue cells of adult Crepidulas there... | |
| American Academy of Arts and Sciences - 1919 - 1130 páginas
...Conklin's (1912) work upon Crepidula plana are of interest in this connection. He states (p. 25) : "The results of my measurements do not indicate that...at least three factors: (1) The initial quantity of chromatin (number of chromosomes) which enter into the formation of the nucleus (Boveri). (2) The volume... | |
| 1912 - 1314 páginas
...egg or of different eggs the kernplasma-relation is neither a constant nor a self regulating ratio. It appears to be a result rather than a cause of the rate of cell-division and consequently a variable rather than a constant factor. In order to discover and analyze... | |
| 1913 - 690 páginas
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| Princeton University. Department of Biology - 1914 - 550 páginas
...cause of cell division is not to be found in departures from a normal nucleus-plasma ratio, which is a result rather than a cause of the rate of cell division, but rather in the coincidence of certain metabolic phases in nucleus, centrosome and protoplasm. If... | |
| Wilbur Garland Foye - 1919 - 502 páginas
...of Conldin's (1912) work upon Crepidula piana are of interest in this connection. He states (p. 25): “The results of my measurements do not indicate...at least three factors: (1) The initial quantity of chromatin (number of chromosomes) which enter into the formation of the nucleus (Boveri). (2) The volume... | |
| 1919 - 536 páginas
...Conklin's (1912) work upon Crepidula plana are of interest in this connection. He states (p. 25) : "The results of my measurements do not indicate that...at least three factors: (1) The initial quantity of chromatin (number of chromosomes) which enter into the formation of the nucleus (Boveri). (2) The volume... | |
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