NatureSir Norman Lockyer |
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Page 66
... nucleic acid which is responsible for the specific aldehyde reaction given by the chromosomes in Feulgen's test3 . Underlying the cycle of mitosis and cell - division is a cycle of attachment and detachment of this nucleic acid to and ...
... nucleic acid which is responsible for the specific aldehyde reaction given by the chromosomes in Feulgen's test3 . Underlying the cycle of mitosis and cell - division is a cycle of attachment and detachment of this nucleic acid to and ...
Page 68
... nucleic acid . The segments in question appear scarcely stained by the Feulgen reaction . It seems as though the supply of nucleic acid has been reduced and the heterochromatin has been unable to compete equally with the euchromatin for ...
... nucleic acid . The segments in question appear scarcely stained by the Feulgen reaction . It seems as though the supply of nucleic acid has been reduced and the heterochromatin has been unable to compete equally with the euchromatin for ...
Page 329
... NUCLEIC ACID FROM IRRADIATED AND NON - IRRADIATED YEAST . TABLE 3. TOTAL YIELDS OF NUCLEIC ACID IN PRECIPITATES AND SUPERNATANTS , GM . PER 100 GM . WET WEIGHT OF YEAST . Precipitate only Total , precipitate and supernatant Prepara ...
... NUCLEIC ACID FROM IRRADIATED AND NON - IRRADIATED YEAST . TABLE 3. TOTAL YIELDS OF NUCLEIC ACID IN PRECIPITATES AND SUPERNATANTS , GM . PER 100 GM . WET WEIGHT OF YEAST . Precipitate only Total , precipitate and supernatant Prepara ...
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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