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in Biology by (79.9k points)

Which part of the nephron is impermeable to water? 

(a) Proximal convoluted tubule 

(b) Distal convoluted tubule 

(c) Ascending limb of loop of Henle 

(d) Descending limb of loop of Henle

1 Answer

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Best answer

The correct option is (c) Ascending limb of loop of Henle.

Explanation:

Ascending limb of loop of Henle is impermeable to water. It does not reabsorb water, rather sodium, potassium, magnesium and chloride are reabsorbed and therefore the filtrate becomes hypotonic to blood plasma.

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