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The Movement of Water, Ions and Organic Solutes in Plants.
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The Movement of Water, Ions and Organic Solutes in Plants. Green plants can deceive. As we bustle past them in their hundreds, on our way to school or work, we see them standing in formation or swaying in the breeze in people's front gardens and they could be mistaken for very idle organisms. However, we couldn't be more wrong - as transport vessels, plants are busy all the time; they transport the products of photosynthesis (mainly sucrose) all over their internal surface and amino acids, water, ions and other solutes travel from the roots, upwards. With so much to transport, and a lot of it up the plant, Nature is posed a problem; a plant has no pumping organ, so how can vital substances possibly reach the upper levels of plants without expending a lot of energy? And when the products get there, how does the plant know what to...
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