Results 31 to 40 of about 1,042 (173)
EFFECTS OF HEXYLRESORCINOL ON NITELLA [PDF]
Journal of General Physiology, 1940 In some ways the effects of hexylresorcinol on Nitella resemble those of guaiacol but in others they differ. Both substances depress the P.D. reversibly and both decrease the potassium effect. Hexylresorcinol decreases the apparent mobility of Na+ and of K+. Guaiacol increases that of Na+ but not of K+.
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TRANSVERSE ELECTRIC IMPEDANCE OF NITELLA [PDF]
Journal of General Physiology, 1937 Alternating current measurements have been taken on single Nitella cells over a frequency range from 30 to 2,500,000 cycles per second with the current flow perpendicular to the axis of the cell. The measuring cells were so constructed that electrolytes of any desired concentration could be circulated during the course of the measurements.
H J, Curtis, K S, Cole
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Journal of General Physiology, 1943 An electrical impulse traveling along a Nitella cell may produce a complete or a partial response. The two kinds of response may occur in regular alternation. The partial response varies greatly and may be so far reduced as to appear as a local thickening in the upstroke of the action curve, usually accompanied by a more or less ...
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Acta Botânica Brasílica, 2006 Temporal and spatial variation of Nitella furcata (Roxburgh ex Bruzelius) C. Agardh emend. R.D. Wood subsp. mucronata (A. Braun) R.D. Wood var. mucronata f. oligospira (A. Braun) R.D. Wood were studied at the Ninféias pond (23°38'18.9"S, 46°37'16.
Norma Catarina Bueno +1 more
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SEM study of compound oospore wall ornamentation of some members of Charales from Yugoslavia, Croatia and Slovenia [PDF]
Archives of Biological Sciences, 2002 The outermost layer of the oospore wall of the members of Chorales shows various ornamentation patterns, formed due to differential deposition of wall material.
Mandal D.K. +2 more
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New records and noteworthy data of plants, algae and fungi in SE Europe and adjacent regions, 22 [PDF]
Comprehensive Plant BiologyThis paper presents new records and noteworthy data on the following taxa in SE Europe and adjacent regions: saprotrophic fungi Coronophora gregaria and Teunomyces cretensis, stoneworts Nitella flexilis and Nitellopsis obtusa, mosses Brachytheciastrum ...
Gordana Tomović +17 more
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Notulae to the Italian flora of algae, bryophytes, fungi and lichens: 17 [PDF]
Italian BotanistIn this contribution, new data concerning algae, bryophytes, fungi and lichens of the Italian flora are presented. It includes new records and confirmations for the algal genera Chara and Nitella, the bryophyte genera Brachythecium, Didymodon, Fissidens,
Sonia Ravera +46 more
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Charophytes (Charophyta) in the Zasavica special nature reserve [PDF]
Archives of Biological Sciences, 2011 Floristic and taxonomic diversity, as well as studies of ecological characteristic of Charophyta algae were carried out within the complex biodiversity researches, in the Zasavica Special Nature Reserve. Nine species were recorded: Chara globularis, C.
Vesić Aleksandra +2 more
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The evolutionary origins of streptophyte multicellularity
New Phytologist, Volume 251, Issue 5, Page 2365-2383, September 2026.The phylogeny of streptophytes and the deep origin of branching filamentous growth. Summary Over their more than 1 billion years of evolutionary history, streptophytes have repeatedly transitioned between unicellular, simple multicellular and complex multicellular forms.
Tatyana Darienko +10 more
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