PATHOLOGY MCQ
URINARY SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The protein channels that allow water molecules to cross cell membranes, their positioning is important for regulating water reabsorption in the kidneys’ collecting ducts.
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ligand channels
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aquaporins
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leaky channels
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sodium channels
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Explanation:
Detailed explanation-1: -Aquaporin is water channel protein that transports water molecules across the biomembrane (109, 110). In particular, AQP2 is the critical water channel protein for vasopressin-mediated water reabsorption, which is localized in the kidney connecting tubules and collecting ducts (29, 121).
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