The Rôle of Diffusion And Osmotic Pressure in Plants
The book The Rôle of Diffusion And Osmotic Pressure in Plants was written by author Burton E Burton Edward Livingston Here you can read free online of The Rôle of Diffusion And Osmotic Pressure in Plants book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is The Rôle of Diffusion And Osmotic Pressure in Plants a good or bad book?
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But if a substance is precipitated, poly- merized, or condensed within the cell through the chemical action of some other body already there, which perhaps arises as a secretion from the protoplasm, then the internal diffusion tension of the entering substance will be kept low, and inward diffusion will continue indefinitely. In this way copper salts entering the cell are probably reduced to metallic copper. This fact of accumulation is a very important one in under- standing the process of abs...orption of dissolved substances by the plant. f) Test by metabolic processes. — The absorption of any food substance is of course a proof of permeability to that substance. The immediate effect upon the living green cell of absence of carbon dioxid, or upon any living cell of oxygen, shows that these gases, when in solution, enter the protoplast with extreme ease. Penetration by many usually solid substances may be proved in this manner ; the long series of experiments upon growth, and especially the forma- tion of starch by green plants in darkness, may be regarded as evidence in this matter.
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