Acta Biologica 8. (1957)

1. szám

INDEX Acta Biologien Tomus VIII Pósnlaky, Z.—Törő, I. : Experimental investigations into the destiny of spermatozoa not participating in fertilization................................................................................................... 1 Szalai, I.—Ferenczy, L.— Varga, M.—Dévay, M. : Metabolic changes in sprouting potato tubers treated with ’’Rindite”....................................................................................... 11 Nász, I. : Variants obtained from aged Salmonella culture.......................................................... 21 Ferenczy, L. : Examinations of ether-extractable germination inhibitors of fleshy fruits, separated by paper chromatography ....................................................................................... 31 Varga, M. : Examination of growth-inhibiting substances, separated by paper chromato­graphy, in fleshy fruits. I. Results of the bio-assay of the chromatograms obtained from the ether extract of the fruits............................................................................................ 39 Szabó, G.— Vályi-Nagy, T. : Studies on the resistance to streptomycin of Strepto­myces griseus. II. Interaction among spores........................................................................... 49 Csaba, Gy. : Heterotransplantation experiments with the use of anti-anti-organ sera. I. Experimental transplantation of spleen..................................................................................... 61 Csaba, Gy.—Iskum, M. : Heterotransplantation experiments with the use of anti-anti­organ sera. II. Transplantation of embryonic endocrine tissues................................... 67 Fridvalszky, L. : Die mikroskopische und submikroskopische Struktur der Zellwand von Tolypellopsis slelligera Mig......................................................................................................... 73 Fridvalszky, L. : Über die mikroskopische Untersuchung der ätherischen Öle in der Wurzel von Valeriana officinalis L................................................................................................ 81 Pettko, E.— F. Sipos, M. M.—Krámli, A. : Untersuchungen mit UV- und Rtg-Stralilen in Bakteriennährböden und Serratia marcesceres-Kulturen.............................................. 91 Kárpáti, F.—Stur, J. K. : Kontinuierliche Messung des Redoxpotentials bei Ratten in vivo 99 Kormos, J.—Kormos, К.: Äußere und innere Konjugation........................................................ 103 Kormos, J.—Kormos, К. : Die Zellteilungstypen der Protozoen.............................................. 127 Csaba, Gy.—Hegyi, Cs. K. : Behaviour of phylogenetically and ontogenetically different tissues in tissue cultures, explanted on autologous, homologous and heterologous media............................................................................................................................................................. 149 Nász, I. : The regeneration of Sarcina flava from filtrable forms ..................................... 165 Fridvalszky, L. : Beitrag zur vergleichenden Untersuchung der mikroskopischen und submikroskopischen Struktur in der Zellwand verschiedener Zelltypen von Chara hispida L....................................................................................................................................................... 175 Párducz, В. : Das interziliäre Fasernsystem in seiner Beziehung zu gewissen Fibrillen­komplexen der Infusorien.................................................................................................................. 191 Párducz, В. : Reizphysiologische Untersuchungen an Ziliaten. VII. Das Problem der vorbestimmten Leitungsbahnen........................................................................................................ 219

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