NatureSir Norman Lockyer Macmillan Journals Limited, 1928 - 700 strani |
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Stran 67
... cells which ( with the exception of nerve - cells ) are concerned with the most rapid protein production , for example , animal egg cells , meristematic and tumour cells . They are smallest in cells where no protein is being made , for ...
... cells which ( with the exception of nerve - cells ) are concerned with the most rapid protein production , for example , animal egg cells , meristematic and tumour cells . They are smallest in cells where no protein is being made , for ...
Stran 272
... cells of the ovarian stroma . It is well known that relatively small quantities of œstrin will cause mitotic activity in the cells of the female accessory sexual organs , but it appears that the ovarian cells require far higher ...
... cells of the ovarian stroma . It is well known that relatively small quantities of œstrin will cause mitotic activity in the cells of the female accessory sexual organs , but it appears that the ovarian cells require far higher ...
Stran 592
... cell egg into the daughter cells of , first , the morula , and then the blastocyst . This process represents the specialization of ' primary orders of tissue ' , a process which the authors point out depends on intrinsic genetic rather ...
... cell egg into the daughter cells of , first , the morula , and then the blastocyst . This process represents the specialization of ' primary orders of tissue ' , a process which the authors point out depends on intrinsic genetic rather ...
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activity agriculture amino acids animals application Association Atlantic Charter biological Bragg Britain British carbon dioxide cells cent chemical chemistry chromosomes College colour Committee connexion continental slope culture Department diagrams discussion economic effect electrical engineering example experiments factors field gametes Geological Government haploid helium heterochromatin human important increase India industry insects Institute interest investigation knowledge laboratory larvæ London material measure mechanism ment Merstham method NATURE nitrogen normal observed obtained Office organization p-aminobenzoic acid paper physical plants political possible present problems production Prof protein reaction recent reconstruction reflexion relation Royal Society scientific workers Sir William Bragg social soil solution species structure suggested technical temperature theory tion tissue University vitamin X-ray yeast zygote