منابع مشابه
The Injection of Sulfates into Valonia
Potassium chloride and sulfate were injected into the vacuole of Valonia. The surviving cells tolerated the presence of these solutions. Sulfate, although ordinarily absent from the sap, is not rapidly eliminated when introduced. Hence the sulfate occasionally found in cells of normal appearance may have entered due to temporary injury followed by recovery.
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15 صفحه اولThe Electrical Capacity of Valonia
Impaled cells of Valonia were balanced in a Wheatstone bridge against a simple series-parallel circuit of two resistances and a capacity, the transient charge and discharge curves at make and break of direct current being recorded with a string galvanometer. With the resistances properly balanced, a series of characteristic deflections resulted when the balancing capacity was varied. With many ...
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The Kinetics of Penetration Xiv. the Penetration of Iodide into Valonia
Former p~pers from this laboratory indicate that the penetration of a weak base, ammonia,* and of a strong base, guanidine, 2 is probably preceded by a chemical reaction with a constituent of the protoplasm. On the other hand the penetration of a weak acid, hydrogen sulfide, s appears to take place by simple diffusion of molecular hydrogen sulfide through the non-aqueous protoplasm. What is the...
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ژورنال
عنوان ژورنال: Journal of General Physiology
سال: 1928
ISSN: 1540-7748,0022-1295
DOI: 10.1085/jgp.12.2.207