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The Na –glucose symport system of intestinal epithelial cells couples the \\"downhill\\" transport of two Na...

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Chemistry

The Na –glucose symport system of intestinal epithelial cellscouples the \\"downhill\\" transport of two Na ions into the cell tothe \\"uphill\\" transport of glucose, pumping glucose into the cellagainst its concentration gradient. If the Na concentration outsidethe cell ([Na ]out) is 163 mM and that inside the cell ([Na ]in) is23.0 mM, and the cell potential is -51.0 mV (inside negative),calculate the maximum ratio of [glucose]in to [glucose]out thatcould theoretically be produced if the energy coupling were 100%efficient. Assume the temperature is 37 °C.

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4.2 Ratings (534 Votes)
The maximum energy or work available from the transport of Na ions into the cell consists of two parts that available from the transport down the chemical gradient and that available from the transport down the    See Answer
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