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The amount of ATP used in the Ascending loop of Henle compared to the ATP used...

The amount of ATP used in the Ascending loop of Henle compared to the ATP used in the Descending loop of Henle.

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  • Descending limb of loop of Henle is permeable to water and impermeable to ions.
  • Water reabsorption occurs in this limb. This transport of water occurs through osmosis,
  • As osmosis is a passive process, no ATP is used.

  • Ascending limb of loop of Henle is permeable to ions and impermeable to water.
  • NaCl reabsorption occurs in this limb.
  • It uses Na/K/Cl co-transporter to transport these ions into epithelial cell of thinck limb.
  • In order to transport Na+ in capillary, sodium-potassium pump (Active transport) is used.
  • Hence, many ATP molecules is used in process.
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