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What is The only Sugar normaly absorbed in the intestine against a concentration gradient is : and explain in detail?
C i.e. GlucoseFinal products of carbohydrate digestion in intestinal chyme are glucose & fructoseQ.The glucose transpo in intestine is an example of secondary active transpo i.e., the energy of glucose transpo is provided indirectly by active transpo of Na+ out of cell. Because glucose & Na+ share the same cotranspoer (sympo) the sodium dependent glucose transpoer (SGLT, Na+ - glucose cotranspoer, cross cell membrane 12 times), the high concentration of Na+ on mucosal surface of cells facillitate & low concentration inhibit hexose sugar influx into epithelial cells.