Acta Biologica 10. (1959)

1. szám

INDEX Martos, V.: Experimental data concerning effect of plant roots on aerial parts. I. Com­parative investigation into the effect of the root system of various plants on the growth of aerial parts and the changes in their fresh and dry weight .................. 1 Martos, V.: Experimental data concerning effect of plant roots on aerial parts. II. Nitrogen and phosphate fractions of the basal meristem of young wheat leaves 15 Török, L. J.—Röhlich, P. : Contribution to the fine structure of the epidermis of Dugesia lugubris O. Schm.................................................................................................................. 23 Fárián, Gy.—Ernhaft, J.: Investigations concerning the variability of the presacral vertebrae in rabbits .......................................................................................................................... 49 Bálint, P.: Einfluß der Großhirnrinde auf die Wasser- und Natriumausscheidung... 57 Kovács, J.: Diurnal changes in the interstitial cells of the testicles of albino rats.......... 69 Ferenczy, L.—Zsolt, J.—Matkovics, B.: Studies on the antimicrobial activity of N-substituted maleimides. I. Fungistatic activity of N-phenylmaleimides. . . . 77 Farkas, F.—Herodek, S.: Paper chromatographic studies on the fatty acid composition of some fresh water crustaceans ................................................................................................. 85 Zsoldos, F.: Stockstoffumsatz der ammophilen Pflanzen. V. Die Wirkung der Sauer­stofftension auf die Nährstoffaufnahme der Reispflanze (Oryza sativa) ............... 91 Felföldy, L. J. М.—Kalkö, Zs. F.: Some methodical observations on the use of anti­biotics for preparing bacteria-free algal cultures ............................................................ 95 Munkácsi, F.: Iso-serological studies in ducks ........................................................................... 101 Székely, Gy.: Functional specificity of cranial sensory neuroblasts in Urodela .......... 107 Gellert, J.— Tamás, G.: Ecological studies on the diatoms and ciliate infusorians in the detritus drifts along the shores of the Tihany-peninsula .................................... 117 Ördögh, F.: Kernteilung in Kahlia simplex (Ciliata, Protozoa)......................................... 127 Fazekas, Á. Gy.—Sebök, J.: Über die Wirkung von Aneurin und Aneurin-j-Thioglykol­­säure auf die Ergosterinproduktion und die fermentativen Prozesse von Hefekulturen............................................................................................................................................ 141 Matkovics, В,— Kovács, К.: Potentialveränderungen bei der Zitronensäureproduk­tion in Oberflächen- und Tiefkulturen..................................................................................... 151 Martos, V.: Experimental data concerning effect of plant roots on aerial parts. III. Changes in the amount of nitrogen fractions, free amino acids and nucleic acids in the overground organs of wheat during germination ......................................... 157 Martos, V.: Experimental data concerning effect of plant roots on aerial parts. IV. Inhibition of nucleic acid metabolism of roots .................................................................. 169

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